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89748693642 = 2356326568589
BaseRepresentation
bin101001110010101110…
…0000110001010001010
322120122202000000121110
41103211130012022022
52432301131144032
6105121401551150
76325025210646
oct1234534061212
9276582000543
1089748693642
1135075885993
12154887a54b6
138603a430aa
1444b57a1c26
15250428a7cc
hex14e570628a

89748693642 has 16 divisors (see below), whose sum is σ = 179816217120. Its totient is φ = 29863092912.

The previous prime is 89748693637. The next prime is 89748693659. The reversal of 89748693642 is 24639684798.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13280917 + ... + 13287672.

It is an arithmetic number, because the mean of its divisors is an integer number (11238513570).

Almost surely, 289748693642 is an apocalyptic number.

89748693642 is an abundant number, since it is smaller than the sum of its proper divisors (90067523478).

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

89748693642 is a wasteful number, since it uses less digits than its factorization.

89748693642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26569157.

The product of its digits is 125411328, while the sum is 66.

The spelling of 89748693642 in words is "eighty-nine billion, seven hundred forty-eight million, six hundred ninety-three thousand, six hundred forty-two".

Divisors: 1 2 3 6 563 1126 1689 3378 26568589 53137178 79705767 159411534 14958115607 29916231214 44874346821 89748693642