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72998489927 = 1113627486991
BaseRepresentation
bin100001111111100001…
…1001000111101000111
320222102101112111210002
41003333003020331013
52144000103134202
653311322551515
75162653632536
oct1037703107507
9228371474702
1072998489927
1128a5a820a20
121219306859b
136b6472074c
143766d4831d
151d739a7302
hex10ff0c8f47

72998489927 has 8 divisors (see below), whose sum is σ = 79640723712. Its totient is φ = 66357257400.

The previous prime is 72998489867. The next prime is 72998489939.

72998489927 is nontrivially palindromic in base 10.

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 72998489927 - 222 = 72994295623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72998489227) 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, 93599 + ... + 393392.

It is an arithmetic number, because the mean of its divisors is an integer number (9955090464).

Almost surely, 272998489927 is an apocalyptic number.

72998489927 is a deficient number, since it is larger than the sum of its proper divisors (6642233785).

72998489927 is a wasteful number, since it uses less digits than its factorization.

72998489927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500629.

The product of its digits is 329204736, while the sum is 74.

The spelling of 72998489927 in words is "seventy-two billion, nine hundred ninety-eight million, four hundred eighty-nine thousand, nine hundred twenty-seven".

Divisors: 1 11 13627 149897 486991 5356901 6636226357 72998489927