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89976336137 = 277913237607
BaseRepresentation
bin101001111001100000…
…0011110111100001001
322121020121100110101222
41103303000132330021
52433232420224022
6105200133051425
76333461144462
oct1236300367411
9277217313358
1089976336137
1135182329086
1215530a86b75
13863bc582ac
1444d7adbd69
152519255242
hex14f301ef09

89976336137 has 4 divisors (see below), whose sum is σ = 89979601536. Its totient is φ = 89973070740.

The previous prime is 89976336097. The next prime is 89976336161. The reversal of 89976336137 is 73163367998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89976336137 - 28 = 89976335881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89976336137.

It is not an unprimeable number, because it can be changed into a prime (89976336337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591013 + ... + 1646594.

It is an arithmetic number, because the mean of its divisors is an integer number (22494900384).

Almost surely, 289976336137 is an apocalyptic number.

It is an amenable number.

89976336137 is a deficient number, since it is larger than the sum of its proper divisors (3265399).

89976336137 is a wasteful number, since it uses less digits than its factorization.

89976336137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265398.

The product of its digits is 30862944, while the sum is 62.

The spelling of 89976336137 in words is "eighty-nine billion, nine hundred seventy-six million, three hundred thirty-six thousand, one hundred thirty-seven".

Divisors: 1 27791 3237607 89976336137