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23155053134564 = 22131713924672903
BaseRepresentation
bin1010100001111001101001…
…01101111000001011100100
310000222121020110120010110102
411100330310231320023210
511013333022100301224
6121125141244243232
74606616542126001
oct520746455701344
9100877213503412
1023155053134564
11741800393072a
12271b730540518
13cbc687236a30
145a09d3a788a8
152a24b1b094ae
hex150f34b782e4

23155053134564 has 144 divisors (see below), whose sum is σ = 46655859938688. Its totient is φ = 9961126050816.

The previous prime is 23155053134561. The next prime is 23155053134567. The reversal of 23155053134564 is 46543135055132.

It is an interprime number because it is at equal distance from previous prime (23155053134561) and next prime (23155053134567).

It is not an unprimeable number, because it can be changed into a prime (23155053134561) 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, 7976248337 + ... + 7976251239.

It is an arithmetic number, because the mean of its divisors is an integer number (323999027352).

Almost surely, 223155053134564 is an apocalyptic number.

It is an amenable number.

23155053134564 is an abundant number, since it is smaller than the sum of its proper divisors (23500806804124).

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

23155053134564 is a wasteful number, since it uses less digits than its factorization.

23155053134564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682 (or 3541 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

Adding to 23155053134564 its reverse (46543135055132), we get a palindrome (69698188189696).

The spelling of 23155053134564 in words is "twenty-three trillion, one hundred fifty-five billion, fifty-three million, one hundred thirty-four thousand, five hundred sixty-four".

Divisors: 1 2 4 13 17 26 34 52 68 139 221 278 442 467 556 884 934 1807 1868 2363 2903 3614 4726 5806 6071 7228 7939 9452 11612 12142 15878 19321 24284 30719 31756 37739 38642 49351 61438 64913 75478 77284 98702 103207 122876 129826 150956 197404 206414 251173 259652 328457 403517 412828 502346 641563 656914 807034 843869 1004692 1103521 1283126 1313828 1355701 1614068 1687738 2207042 2566252 2711402 3375476 4269941 4414084 5245721 5422804 6859789 8539882 9022907 10491442 13719578 14345773 17079764 17624113 18045814 20982884 23046917 27439156 28691546 35248226 36091628 46093834 56088863 57383092 70496452 89177257 92187668 112177726 117297791 153389419 178354514 188442439 224355452 234595582 299609921 306778838 356709028 376884878 469191164 599219842 613557676 729155219 753769756 953510671 1198439684 1458310438 1907021342 1994062447 2449751707 2916620876 3203521463 3814042684 3988124894 4899503414 6407042926 7976249788 9799006828 12395638723 12814085852 24791277446 26193499021 41645779019 49582554892 52386998042 83291558038 104773996084 166583116076 340515487273 445289483357 681030974546 890578966714 1362061949092 1781157933428 5788763283641 11577526567282 23155053134564