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13013213136 = 2437112320081
BaseRepresentation
bin11000001111010010…
…11101111111010000
31020120220122201110220
430013221131333100
5203122340310021
65551142153040
7640323325620
oct140751357720
936526581426
1013013213136
11557868a700
122632122780
1312c5049c21
148b6408880
155126b1cc6
hex307a5dfd0

13013213136 has 120 divisors (see below), whose sum is σ = 42230338752. Its totient is φ = 3380044800.

The previous prime is 13013213113. The next prime is 13013213137. The reversal of 13013213136 is 63131231031.

It is a super-2 number, since 2×130132131362 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013213137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119385 + ... + 200696.

Almost surely, 213013213136 is an apocalyptic number.

13013213136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13013213136 is an abundant number, since it is smaller than the sum of its proper divisors (29217125616).

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

13013213136 is a wasteful number, since it uses less digits than its factorization.

13013213136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320121 (or 320104 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13013213136 its reverse (63131231031), we get a palindrome (76144444167).

The spelling of 13013213136 in words is "thirteen billion, thirteen million, two hundred thirteen thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 121 132 154 168 176 231 242 264 308 336 363 462 484 528 616 726 847 924 968 1232 1452 1694 1848 1936 2541 2904 3388 3696 5082 5808 6776 10164 13552 20328 40656 320081 640162 960243 1280324 1920486 2240567 2560648 3520891 3840972 4481134 5121296 6721701 7041782 7681944 8962268 10562673 13443402 14083564 15363888 17924536 21125346 24646237 26886804 28167128 35849072 38729801 42250692 49292474 53773608 56334256 73938711 77459602 84501384 98584948 107547216 116189403 147877422 154919204 169002768 197169896 232378806 271108607 295754844 309838408 394339792 464757612 542217214 591509688 619676816 813325821 929515224 1084434428 1183019376 1626651642 1859030448 2168868856 3253303284 4337737712 6506606568 13013213136