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893694808137 = 3297898269379
BaseRepresentation
bin11010000000101000101…
…11001001000001001001
310011102210010110011000210
431000110113021001021
5104120241332330022
61522320245151333
7121365406346655
oct15002427110111
93142703404023
10893694808137
1131501746992a
121252546bb549
13663763c5351
143137dc51a65
15183a8c0ba0c
hexd0145c9049

893694808137 has 4 divisors (see below), whose sum is σ = 1191593077520. Its totient is φ = 595796538756.

The previous prime is 893694808031. The next prime is 893694808151. The reversal of 893694808137 is 731808496398.

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 not a de Polignac number, because 893694808137 - 27 = 893694808009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (893694808177) 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, 148949134687 + ... + 148949134692.

It is an arithmetic number, because the mean of its divisors is an integer number (297898269380).

Almost surely, 2893694808137 is an apocalyptic number.

It is an amenable number.

893694808137 is a deficient number, since it is larger than the sum of its proper divisors (297898269383).

893694808137 is a wasteful number, since it uses less digits than its factorization.

893694808137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297898269382.

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 893694808137 in words is "eight hundred ninety-three billion, six hundred ninety-four million, eight hundred eight thousand, one hundred thirty-seven".

Divisors: 1 3 297898269379 893694808137