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89939457337 = 233338550989
BaseRepresentation
bin101001111000011001…
…1110011010100111001
322121011000221211012111
41103300303303110321
52433144000113322
6105152334412321
76332532526222
oct1236063632471
9277130854174
1089939457337
113516352a534
12155206610a1
138634415312
1444d2c5c249
152515dbd177
hex14f0cf3539

89939457337 has 4 divisors (see below), whose sum is σ = 89978010660. Its totient is φ = 89900904016.

The previous prime is 89939457323. The next prime is 89939457359. The reversal of 89939457337 is 73375493998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73375493998 = 236687746999.

It can be written as a sum of positive squares in 2 ways, for example, as 23834419456 + 66105037881 = 154384^2 + 257109^2 .

It is a cyclic number.

It is not a de Polignac number, because 89939457337 - 215 = 89939424569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89939454337) 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, 19273162 + ... + 19277827.

It is an arithmetic number, because the mean of its divisors is an integer number (22494502665).

Almost surely, 289939457337 is an apocalyptic number.

It is an amenable number.

89939457337 is a deficient number, since it is larger than the sum of its proper divisors (38553323).

89939457337 is a wasteful number, since it uses less digits than its factorization.

89939457337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38553322.

The product of its digits is 154314720, while the sum is 67.

The spelling of 89939457337 in words is "eighty-nine billion, nine hundred thirty-nine million, four hundred fifty-seven thousand, three hundred thirty-seven".

Divisors: 1 2333 38550989 89939457337