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72204894797 = 747592167469
BaseRepresentation
bin100001100111110111…
…1110100001001001101
320220101002020200220212
41003033233310021031
52140333423113142
653100453252205
75134206323240
oct1031757641115
9226332220825
1072204894797
1128692865182
1211bb1334065
136a691a0c29
1436cd7a9257
151d28e97d82
hex10cfbf424d

72204894797 has 8 divisors (see below), whose sum is σ = 82537257600. Its totient is φ = 61876876464.

The previous prime is 72204894781. The next prime is 72204894809. The reversal of 72204894797 is 79749840227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72204894797 - 24 = 72204894781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72204494797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050422 + ... + 1117047.

It is an arithmetic number, because the mean of its divisors is an integer number (10317157200).

Almost surely, 272204894797 is an apocalyptic number.

It is an amenable number.

72204894797 is a deficient number, since it is larger than the sum of its proper divisors (10332362803).

72204894797 is a wasteful number, since it uses less digits than its factorization.

72204894797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172235.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 72204894797 in words is "seventy-two billion, two hundred four million, eight hundred ninety-four thousand, seven hundred ninety-seven".

Divisors: 1 7 4759 33313 2167469 15172283 10314984971 72204894797