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13006774718388 = 223211587313717837
BaseRepresentation
bin1011110101000110000000…
…1011111100111110110100
31201001102202111022212210100
42331101200023330332310
53201100333311442023
643355121350154100
72511465000636063
oct275214013747664
951042674285710
1013006774718388
114165162273a10
121560972652930
137346c23c4919
1432d761a9c1da
15178509300c43
hexbd4602fcfb4

13006774718388 has 144 divisors (see below), whose sum is σ = 35941737109824. Its totient is φ = 3933257502720.

The previous prime is 13006774718251. The next prime is 13006774718389. The reversal of 13006774718388 is 88381747760031.

13006774718388 is a `hidden beast` number, since 1 + 3 + 0 + 0 + 6 + 7 + 7 + 471 + 83 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13006774718389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 729193006 + ... + 729210842.

It is an arithmetic number, because the mean of its divisors is an integer number (249595396596).

Almost surely, 213006774718388 is an apocalyptic number.

13006774718388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13006774718388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17970868554912).

13006774718388 is an abundant number, since it is smaller than the sum of its proper divisors (22934962391436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13006774718388 is a wasteful number, since it uses less digits than its factorization.

13006774718388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21582 (or 21577 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 63.

The spelling of 13006774718388 in words is "thirteen trillion, six billion, seven hundred seventy-four million, seven hundred eighteen thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 587 1174 1761 2348 3137 3522 5283 6274 6457 7044 9411 10566 12548 12914 17837 18822 19371 21132 25828 28233 34507 35674 37644 38742 53511 56466 58113 69014 71348 77484 103521 107022 112932 116226 138028 160533 196207 207042 214044 232452 310563 321066 392414 414084 588621 621126 642132 784828 1177242 1242252 1765863 1841419 2354484 3531726 3682838 5524257 7063452 7365676 10470319 11048514 16572771 20255609 20940638 22097028 31410957 33145542 40511218 41881276 55954669 60766827 62821914 66291084 81022436 94232871 111909338 115173509 121533654 125643828 167864007 182300481 188465742 223818676 230347018 243067308 335728014 345520527 364600962 376931484 460694036 503592021 615501359 671456028 691041054 729201924 1007184042 1036561581 1231002718 1382082108 1846504077 2014368084 2073123162 2462005436 3693008154 4146246324 5539512231 7386016308 11079024462 22158048924 32845390703 65690781406 98536172109 131381562812 197072344218 295608516327 361299297733 394144688436 591217032654 722598595466 1083897893199 1182434065308 1445197190932 2167795786398 3251693679597 4335591572796 6503387359194 13006774718388