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72490674630 = 23511419524269
BaseRepresentation
bin100001110000011000…
…1111110100111000110
320221002222222211011010
41003200301332213012
52141430103042010
653145102423050
75144246365503
oct1034061764706
9227088884133
1072490674630
112881a106860
1212070b91a86
136ab346031a
14371971a4aa
151d440e8620
hex10e0c7e9c6

72490674630 has 64 divisors (see below), whose sum is σ = 190247097600. Its totient is φ = 17531521920.

The previous prime is 72490674587. The next prime is 72490674631. The reversal of 72490674630 is 3647609427.

It is a self number, because there is not a number n which added to its sum of digits gives 72490674630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72490674631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123865 + ... + 400404.

It is an arithmetic number, because the mean of its divisors is an integer number (2972610900).

Almost surely, 272490674630 is an apocalyptic number.

72490674630 is an abundant number, since it is smaller than the sum of its proper divisors (117756422970).

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

72490674630 is a wasteful number, since it uses less digits than its factorization.

72490674630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524709.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 72490674630 in words is "seventy-two billion, four hundred ninety million, six hundred seventy-four thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 419 838 1257 2095 2514 4190 4609 6285 9218 12570 13827 23045 27654 46090 69135 138270 524269 1048538 1572807 2621345 3145614 5242690 5766959 7864035 11533918 15728070 17300877 28834795 34601754 57669590 86504385 173008770 219668711 439337422 659006133 1098343555 1318012266 2196687110 2416355821 3295030665 4832711642 6590061330 7249067463 12081779105 14498134926 24163558210 36245337315 72490674630