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72524864630428 = 2272521710220383
BaseRepresentation
bin10000011111011000000010…
…110010110010111010011100
3100111210022100111212102200021
4100133120002302302322130
534001221410321133203
6414125243551041524
721163514516625400
oct2037300262627234
9314708314772607
1072524864630428
1121121693401251
12817397a5102a4
1331610b08767c2
1413ca317925100
1585b8114895bd
hex41f602cb2e9c

72524864630428 has 36 divisors (see below), whose sum is σ = 147923281138752. Its totient is φ = 31022426285760.

The previous prime is 72524864630423. The next prime is 72524864630431. The reversal of 72524864630428 is 82403646842527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72524864630423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355008076 + ... + 355212307.

It is an arithmetic number, because the mean of its divisors is an integer number (4108980031632).

Almost surely, 272524864630428 is an apocalyptic number.

It is an amenable number.

72524864630428 is an abundant number, since it is smaller than the sum of its proper divisors (75398416508324).

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

72524864630428 is a wasteful number, since it uses less digits than its factorization.

72524864630428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710220922 (or 710220913 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 61.

The spelling of 72524864630428 in words is "seventy-two trillion, five hundred twenty-four billion, eight hundred sixty-four million, six hundred thirty thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 521 1042 2084 3647 7294 14588 25529 51058 102116 710220383 1420440766 2840881532 4971542681 9943085362 19886170724 34800798767 69601597534 139203195068 370024819543 740049639086 1480099278172 2590173736801 5180347473602 10360694947204 18131216157607 36262432315214 72524864630428