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47572491900 = 22352257961487
BaseRepresentation
bin101100010011100010…
…101001111001111100
311112210102000222112110
4230103202221321330
51234412024220100
633504323334020
73302614336443
oct542342517174
9145712028473
1047572491900
11191a248230a
129277b21310
134641b723bb
14243418dd5a
1513866d8250
hexb138a9e7c

47572491900 has 72 divisors (see below), whose sum is σ = 137698686720. Its totient is φ = 12680872640.

The previous prime is 47572491809. The next prime is 47572492001. The reversal of 47572491900 is 919427574.

It is a super-2 number, since 2×475724919002 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47572491900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742957 + ... + 804443.

It is an arithmetic number, because the mean of its divisors is an integer number (1912481760).

Almost surely, 247572491900 is an apocalyptic number.

It is an amenable number.

47572491900 is an abundant number, since it is smaller than the sum of its proper divisors (90126194820).

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

47572491900 is a wasteful number, since it uses less digits than its factorization.

47572491900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64083 (or 64076 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 47572491900 in words is "forty-seven billion, five hundred seventy-two million, four hundred ninety-one thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 2579 5158 7737 10316 12895 15474 25790 30948 38685 51580 61487 64475 77370 122974 128950 154740 184461 193425 245948 257900 307435 368922 386850 614870 737844 773700 922305 1229740 1537175 1844610 3074350 3689220 4611525 6148700 9223050 18446100 158574973 317149946 475724919 634299892 792874865 951449838 1585749730 1902899676 2378624595 3171499460 3964374325 4757249190 7928748650 9514498380 11893122975 15857497300 23786245950 47572491900