Search a number
-
+
79310121101131 = 1721641116722289
BaseRepresentation
bin10010000010000111010011…
…100110000110011101001011
3101101210222021200222211112111
4102002013103212012131023
540343404112000214011
6440402322221323151
722463652510204304
oct2202072346063513
9341728250884474
1079310121101131
11232a8262829638
128a8a9bb1064b7
133533bb250391b
1415828b79377ab
159280891b1121
hex4821d398674b

79310121101131 has 12 divisors (see below), whose sum is σ = 84254990608360. Its totient is φ = 74640266933760.

The previous prime is 79310121101111. The next prime is 79310121101191. The reversal of 79310121101131 is 13110112101397.

It is not a de Polignac number, because 79310121101131 - 29 = 79310121100619 is a prime.

It is a super-2 number, since 2×793101211011312 (a number of 29 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 = 79310121101093 and 79310121101102.

It is not an unprimeable number, because it can be changed into a prime (79310121101111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3618366 + ... + 13103923.

Almost surely, 279310121101131 is an apocalyptic number.

79310121101131 is a deficient number, since it is larger than the sum of its proper divisors (4944869507229).

79310121101131 is a wasteful number, since it uses less digits than its factorization.

79310121101131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16738734 (or 16738717 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 31.

The spelling of 79310121101131 in words is "seventy-nine trillion, three hundred ten billion, one hundred twenty-one million, one hundred one thousand, one hundred thirty-one".

Divisors: 1 17 289 16411 278987 4742779 16722289 284278913 4832741521 274429484779 4665301241243 79310121101131