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531245250401012 = 22776133149752111
BaseRepresentation
bin111100011001010100010110…
…0011100000101001011110100
32120122222112211220121001120022
41320302220230130011023310
51024112410233100313022
65121510410542424312
7216620126354330420
oct17062505434051364
92518875756531508
10531245250401012
111442a8933352a44
124b6baa7b592098
1319a5729b151b44
14952859b941b80
154163d94cb3c42
hex1e32a2c7052f4

531245250401012 has 48 divisors (see below), whose sum is σ = 1063920186201600. Its totient is φ = 227370193593600.

The previous prime is 531245250400987. The next prime is 531245250401051. The reversal of 531245250401012 is 210104052542135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705962837 + ... + 706714947.

It is an arithmetic number, because the mean of its divisors is an integer number (22165003879200).

Almost surely, 2531245250401012 is an apocalyptic number.

It is an amenable number.

531245250401012 is an abundant number, since it is smaller than the sum of its proper divisors (532674935800588).

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

531245250401012 is a wasteful number, since it uses less digits than its factorization.

531245250401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786032 (or 786030 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 531245250401012 in words is "five hundred thirty-one trillion, two hundred forty-five billion, two hundred fifty million, four hundred one thousand, twelve".

Divisors: 1 2 4 7 14 28 761 1522 3044 5327 10654 21308 33149 66298 132596 232043 464086 752111 928172 1504222 3008444 5264777 10529554 21059108 25226389 50452778 100905556 176584723 353169446 572356471 706338892 1144712942 2289425884 4006495297 8012990594 16025981188 24931727539 49863455078 99726910156 174522092773 349044185546 698088371092 18973044657179 37946089314358 75892178628716 132811312600253 265622625200506 531245250401012