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90847995542 = 257713787067
BaseRepresentation
bin101010010011011110…
…1100110011010010110
322200111100112100022122
41110212331212122112
52442024041324132
6105422431455542
76364204135523
oct1244675463226
9280440470278
1090847995542
113558a363757
12157349875b2
13874a70b0a5
14457b79c14a
15256aa34912
hex1526f66696

90847995542 has 8 divisors (see below), whose sum is σ = 136274527656. Its totient is φ = 45423152992.

The previous prime is 90847995467. The next prime is 90847995577. The reversal of 90847995542 is 24559974809.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278108 + ... + 508959.

It is an arithmetic number, because the mean of its divisors is an integer number (17034315957).

Almost surely, 290847995542 is an apocalyptic number.

90847995542 is a deficient number, since it is larger than the sum of its proper divisors (45426532114).

90847995542 is a wasteful number, since it uses less digits than its factorization.

90847995542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844782.

The product of its (nonzero) digits is 32659200, while the sum is 62.

The spelling of 90847995542 in words is "ninety billion, eight hundred forty-seven million, nine hundred ninety-five thousand, five hundred forty-two".

Divisors: 1 2 57713 115426 787067 1574134 45423997771 90847995542