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89157382690 = 258915738269
BaseRepresentation
bin101001100001000110…
…0011011001000100010
322112010112100022110211
41103002030123020202
52430043242221230
6104543000044334
76304255151215
oct1230214331042
9275115308424
1089157382690
11348a2022252
12153427636aa
13853b39a45c
14445b03b77c
1524bc3d742a
hex14c231b222

89157382690 has 8 divisors (see below), whose sum is σ = 160483288860. Its totient is φ = 35662953072.

The previous prime is 89157382687. The next prime is 89157382739. The reversal of 89157382690 is 9628375198.

It can be written as a sum of positive squares in 2 ways, for example, as 83363280529 + 5794102161 = 288727^2 + 76119^2 .

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

It is a super-2 number, since 2×891573826902 (a number of 23 digits) contains 22 as substring.

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, 4457869125 + ... + 4457869144.

Almost surely, 289157382690 is an apocalyptic number.

89157382690 is a deficient number, since it is larger than the sum of its proper divisors (71325906170).

89157382690 is a wasteful number, since it uses less digits than its factorization.

89157382690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915738276.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 89157382690 in words is "eighty-nine billion, one hundred fifty-seven million, three hundred eighty-two thousand, six hundred ninety".

Divisors: 1 2 5 10 8915738269 17831476538 44578691345 89157382690