Search a number
-
+
13894459346964 = 223721071791233751
BaseRepresentation
bin1100101000110000111001…
…0100000101000000010100
31211012022000202120021102010
43022030032110011000110
53310121323043100324
645315005420344220
72632561440532500
oct312141624050024
954168022507363
1013894459346964
114477675089999
121684a0a3a5070
1379a31b5989b1
143606d1611300
15191660563829
hexca30e505014

13894459346964 has 144 divisors (see below), whose sum is σ = 38278685652480. Its totient is φ = 3910770360000.

The previous prime is 13894459346927. The next prime is 13894459347019. The reversal of 13894459346964 is 46964395449831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10645089 + ... + 11878839.

It is an arithmetic number, because the mean of its divisors is an integer number (265824205920).

Almost surely, 213894459346964 is an apocalyptic number.

13894459346964 is a gapful number since it is divisible by the number (14) 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 13894459346964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19139342826240).

13894459346964 is an abundant number, since it is smaller than the sum of its proper divisors (24384226305516).

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

13894459346964 is a wasteful number, since it uses less digits than its factorization.

13894459346964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234058 (or 1234049 counting only the distinct ones).

The product of its digits is 2418647040, while the sum is 75.

The spelling of 13894459346964 in words is "thirteen trillion, eight hundred ninety-four billion, four hundred fifty-nine million, three hundred forty-six thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 107 147 179 196 214 294 321 358 428 537 588 642 716 749 1074 1253 1284 1498 2148 2247 2506 2996 3759 4494 5012 5243 7518 8771 8988 10486 15036 15729 17542 19153 20972 26313 31458 35084 38306 52626 57459 62916 76612 105252 114918 134071 229836 268142 402213 536284 804426 938497 1233751 1608852 1876994 2467502 2815491 3701253 3753988 4935004 5630982 7402506 8636257 11261964 14805012 17272514 25908771 34545028 51817542 60453799 103635084 120907598 132011357 181361397 220841429 241815196 264022714 362722794 396034071 441682858 528045428 662524287 725445588 792068142 883365716 924079499 1325048574 1545890003 1584136284 1848158998 2650097148 2772238497 3091780006 3696317996 4637670009 5544476994 6183560012 6468556493 9275340018 10821230021 11088953988 12937112986 18550680036 19405669479 21642460042 23630032903 25874225972 32463690063 38811338958 43284920084 47260065806 64927380126 70890098709 77622677916 94520131612 129854760252 141780197418 165410230321 283560394836 330820460642 496230690963 661640921284 992461381926 1157871612247 1984922763852 2315743224494 3473614836741 4631486448988 6947229673482 13894459346964