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10315113642 = 234192233757
BaseRepresentation
bin10011001101101010…
…00010010010101010
3222121212201001210000
421212311002102222
5132111132114032
64423320403430
7513422006421
oct114665022252
928555631700
1010315113642
114413681609
121bba616576
13c8507a552
146dbd4c2b8
154058a4e7c
hex266d424aa

10315113642 has 120 divisors (see below), whose sum is σ = 24531079716. Its totient is φ = 3239139456.

The previous prime is 10315113637. The next prime is 10315113659. The reversal of 10315113642 is 24631151301.

It is a happy number.

10315113642 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 5 + 1 + 13 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10213325721 + 101787921 = 101061^2 + 10089^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 13625928 + ... + 13626684.

Almost surely, 210315113642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10315113642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12265539858).

10315113642 is an abundant number, since it is smaller than the sum of its proper divisors (14215966074).

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

10315113642 is a wasteful number, since it uses less digits than its factorization.

10315113642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 10315113642 its reverse (24631151301), we get a palindrome (34946264943).

The spelling of 10315113642 in words is "ten billion, three hundred fifteen million, one hundred thirteen thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 81 114 162 171 233 342 361 466 513 699 722 757 1026 1083 1398 1514 1539 2097 2166 2271 3078 3249 4194 4427 4542 6291 6498 6813 8854 9747 12582 13281 13626 14383 18873 19494 20439 26562 28766 29241 37746 39843 40878 43149 58482 61317 79686 84113 86298 119529 122634 129447 168226 176381 239058 252339 258894 273277 352762 358587 388341 504678 529143 546554 717174 757017 776682 819831 1058286 1165023 1514034 1587429 1639662 2271051 2330046 2459493 3174858 3351239 4542102 4762287 4918986 6702478 6813153 7378479 9524574 10053717 13626306 14286861 14756958 20107434 22135437 28573722 30161151 44270874 60322302 63673541 90483453 127347082 180966906 191020623 271450359 382041246 542900718 573061869 1146123738 1719185607 3438371214 5157556821 10315113642