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72233752100 = 22524390718521
BaseRepresentation
bin100001101000101110…
…1111001011000100100
320220110002112210200212
41003101131321120210
52140413320031400
653103403554552
75135006522306
oct1032135713044
9226402483625
1072233752100
11286a8085094
1211bbab2ba58
136a72165a63
1436d355b976
151d2b798335
hex10d1779624

72233752100 has 72 divisors (see below), whose sum is σ = 160578034848. Its totient is φ = 28188921600.

The previous prime is 72233752067. The next prime is 72233752103. The reversal of 72233752100 is 125733227.

It is not an unprimeable number, because it can be changed into a prime (72233752103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3890840 + ... + 3909360.

It is an arithmetic number, because the mean of its divisors is an integer number (2230250484).

Almost surely, 272233752100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72233752100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80289017424).

72233752100 is an abundant number, since it is smaller than the sum of its proper divisors (88344282748).

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

72233752100 is a wasteful number, since it uses less digits than its factorization.

72233752100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19485 (or 19478 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The spelling of 72233752100 in words is "seventy-two billion, two hundred thirty-three million, seven hundred fifty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 215 430 860 907 1075 1814 2150 3628 4300 4535 9070 18140 18521 22675 37042 39001 45350 74084 78002 90700 92605 156004 185210 195005 370420 390010 463025 780020 796403 926050 975025 1592806 1852100 1950050 3185612 3900100 3982015 7964030 15928060 16798547 19910075 33597094 39820150 67194188 79640300 83992735 167985470 335970940 419963675 722337521 839927350 1444675042 1679854700 2889350084 3611687605 7223375210 14446750420 18058438025 36116876050 72233752100