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88374739981 = 1115751172403
BaseRepresentation
bin101001001001110001…
…0111000010000001101
322110002222122221111211
41102103202320100031
52421442413134411
6104333201214421
76246002616103
oct1222342702015
9273088587454
1088374739981
11345302671a0
1215164631411
1384451b3b68
1443c510dc73
15247383d221
hex14938b840d

88374739981 has 8 divisors (see below), whose sum is σ = 97022877984. Its totient is φ = 79828947120.

The previous prime is 88374739927. The next prime is 88374740009. The reversal of 88374739981 is 18993747388.

It is a happy number.

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 88374739981 - 221 = 88372642829 is a prime.

It is a super-2 number, since 2×883747399812 (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 (88374719981) 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, 25584475 + ... + 25587928.

It is an arithmetic number, because the mean of its divisors is an integer number (12127859748).

Almost surely, 288374739981 is an apocalyptic number.

It is an amenable number.

88374739981 is a deficient number, since it is larger than the sum of its proper divisors (8648138003).

88374739981 is a wasteful number, since it uses less digits than its factorization.

88374739981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51172571.

The product of its digits is 73156608, while the sum is 67.

The spelling of 88374739981 in words is "eighty-eight billion, three hundred seventy-four million, seven hundred thirty-nine thousand, nine hundred eighty-one".

Divisors: 1 11 157 1727 51172403 562896433 8034067271 88374739981