Search a number
-
+
22153623631 = 157449314267
BaseRepresentation
bin10100101000011101…
…010111100001001111
32010011220221200110221
4110220131113201033
5330332311424011
614102141012211
71412662456666
oct245035274117
963156850427
1022153623631
119439163367
124363254067
13212091c349
14110232dddd
15899d76971
hex52875784f

22153623631 has 8 divisors (see below), whose sum is σ = 22344454800. Its totient is φ = 21963422208.

The previous prime is 22153623617. The next prime is 22153623649. The reversal of 22153623631 is 13632635122.

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

It is a cyclic number.

It is not a de Polignac number, because 22153623631 - 29 = 22153623119 is a prime.

It is a super-2 number, since 2×221536236312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153623601) 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, 86641 + ... + 227626.

It is an arithmetic number, because the mean of its divisors is an integer number (2793056850).

Almost surely, 222153623631 is an apocalyptic number.

22153623631 is a deficient number, since it is larger than the sum of its proper divisors (190831169).

22153623631 is a wasteful number, since it uses less digits than its factorization.

22153623631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314873.

The product of its digits is 38880, while the sum is 34.

The spelling of 22153623631 in words is "twenty-two billion, one hundred fifty-three million, six hundred twenty-three thousand, six hundred thirty-one".

Divisors: 1 157 449 70493 314267 49339919 141105883 22153623631