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893149093531 = 963192736901
BaseRepresentation
bin11001111111100111101…
…01011001111010011011
310011101101002120222022201
430333303311121322123
5104113132131443111
61522150152431031
7121346032014202
oct14776365317233
93141332528281
10893149093531
11314867419422
121251219a8477
13662ba3255b6
143132b59a239
1518375d636c1
hexcff3d59e9b

893149093531 has 4 divisors (see below), whose sum is σ = 893241840064. Its totient is φ = 893056347000.

The previous prime is 893149093481. The next prime is 893149093537. The reversal of 893149093531 is 135390941398.

It is a semiprime because it is the product of two primes.

It is a 3-Lehmer number, since φ(893149093531) divides (893149093531-1)3.

It is a cyclic number.

It is not a de Polignac number, because 893149093531 - 239 = 343393279643 is a prime.

It is a super-2 number, since 2×8931490935312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (893149093537) by changing a digit.

It is a nontrivial repunit in base 9630.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46358820 + ... + 46378081.

It is an arithmetic number, because the mean of its divisors is an integer number (223310460016).

Almost surely, 2893149093531 is an apocalyptic number.

893149093531 is a deficient number, since it is larger than the sum of its proper divisors (92746533).

893149093531 is an equidigital number, since it uses as much as digits as its factorization.

893149093531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92746532.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 893149093531 in words is "eight hundred ninety-three billion, one hundred forty-nine million, ninety-three thousand, five hundred thirty-one".

Divisors: 1 9631 92736901 893149093531