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72425413031 = 534433084689
BaseRepresentation
bin100001101110011100…
…1000001100110100111
320220221110012012001212
41003130321001212213
52141311401204111
653134411542035
75142524565446
oct1033471014647
9226843165055
1072425413031
1128796291854
121205315a91b
136aa2a904aa
143710bacd5d
151d3d50698b
hex10dce419a7

72425413031 has 8 divisors (see below), whose sum is σ = 73958527440. Its totient is φ = 70898468992.

The previous prime is 72425413013. The next prime is 72425413037. The reversal of 72425413031 is 13031452427.

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 72425413031 - 218 = 72425150887 is a prime.

It is a super-2 number, since 2×724254130312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72425413037) 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, 1518866 + ... + 1565823.

It is an arithmetic number, because the mean of its divisors is an integer number (9244815930).

Almost surely, 272425413031 is an apocalyptic number.

72425413031 is a deficient number, since it is larger than the sum of its proper divisors (1533114409).

72425413031 is a wasteful number, since it uses less digits than its factorization.

72425413031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085185.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 72425413031 its reverse (13031452427), we get a palindrome (85456865458).

The spelling of 72425413031 in words is "seventy-two billion, four hundred twenty-five million, four hundred thirteen thousand, thirty-one".

Divisors: 1 53 443 23479 3084689 163488517 1366517227 72425413031