Search a number
-
+
130121112323131 = 718324738928679
BaseRepresentation
bin11101100101100000101110…
…101011011000010000111011
3122001201110100001012202202021
4131211200232223120100323
5114023401014223320011
61140424451435215311
736256640315363446
oct3545405653302073
9561643301182667
10130121112323131
1138508065724166
12127164152a7537
13577b4a3046307
14241bc7713065d
151009b3701b471
hex76582ead843b

130121112323131 has 16 divisors (see below), whose sum is σ = 133597624527360. Its totient is φ = 126691512171840.

The previous prime is 130121112323123. The next prime is 130121112323141. The reversal of 130121112323131 is 131323211121031.

It is a cyclic number.

It is not a de Polignac number, because 130121112323131 - 23 = 130121112323123 is a prime.

It is a super-2 number, since 2×1301211123231312 (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 = 130121112323096 and 130121112323105.

It is not an unprimeable number, because it can be changed into a prime (130121112323141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10109050 + ... + 19037728.

It is an arithmetic number, because the mean of its divisors is an integer number (8349851532960).

Almost surely, 2130121112323131 is an apocalyptic number.

130121112323131 is a deficient number, since it is larger than the sum of its proper divisors (3476512204229).

130121112323131 is an equidigital number, since it uses as much as digits as its factorization.

130121112323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8931306.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 130121112323131 its reverse (131323211121031), we get a palindrome (261444323444162).

The spelling of 130121112323131 in words is "one hundred thirty trillion, one hundred twenty-one billion, one hundred twelve million, three hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 71 83 2473 5893 175583 205259 8928679 14573389 633936209 741080357 22080623167 52616705347 1567724244857 1832691722861 130121112323131