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22136492231 = 73581883093
BaseRepresentation
bin10100100111011100…
…000001000011000111
32010010201201022121122
4110213130001003013
5330313420222411
614100325504155
71412364036140
oct244734010307
963121638548
1022136492231
11942a522287
12435957205b
13211a201819
1410ddd50ac7
158985e09db
hex5277010c7

22136492231 has 8 divisors (see below), whose sum is σ = 25305941664. Its totient is φ = 18968816160.

The previous prime is 22136492221. The next prime is 22136492299. The reversal of 22136492231 is 13229463122.

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

It is not a de Polignac number, because 22136492231 - 230 = 21062750407 is a prime.

It is a super-2 number, since 2×221364922312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22136492191 and 22136492200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22136492221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416480 + ... + 466613.

It is an arithmetic number, because the mean of its divisors is an integer number (3163242708).

Almost surely, 222136492231 is an apocalyptic number.

22136492231 is a deficient number, since it is larger than the sum of its proper divisors (3169449433).

22136492231 is an equidigital number, since it uses as much as digits as its factorization.

22136492231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886681.

The product of its digits is 31104, while the sum is 35.

The spelling of 22136492231 in words is "twenty-two billion, one hundred thirty-six million, four hundred ninety-two thousand, two hundred thirty-one".

Divisors: 1 7 3581 25067 883093 6181651 3162356033 22136492231