Search a number
-
+
23130502123155 = 357220290496411
BaseRepresentation
bin1010100001001011111010…
…10111001100111010010011
310000220020212110111112012120
411100211331113030322103
511012432232020420110
6121110001143025323
74605060256022160
oct520457527147223
9100806773445176
1023130502123155
11740865548a459
122716a1a43b243
13cba273a34a4b
1459d7451a9067
152a1a26575870
hex15097d5cce93

23130502123155 has 16 divisors (see below), whose sum is σ = 42295775311104. Its totient is φ = 10573943827680.

The previous prime is 23130502123151. The next prime is 23130502123159. The reversal of 23130502123155 is 55132120503132.

It is an interprime number because it is at equal distance from previous prime (23130502123151) and next prime (23130502123159).

It is not a de Polignac number, because 23130502123155 - 22 = 23130502123151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23130502123151) 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, 110145248101 + ... + 110145248310.

It is an arithmetic number, because the mean of its divisors is an integer number (2643485956944).

Almost surely, 223130502123155 is an apocalyptic number.

23130502123155 is a deficient number, since it is larger than the sum of its proper divisors (19165273187949).

23130502123155 is a wasteful number, since it uses less digits than its factorization.

23130502123155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220290496426.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 23130502123155 its reverse (55132120503132), we get a palindrome (78262622626287).

The spelling of 23130502123155 in words is "twenty-three trillion, one hundred thirty billion, five hundred two million, one hundred twenty-three thousand, one hundred fifty-five".

Divisors: 1 3 5 7 15 21 35 105 220290496411 660871489233 1101452482055 1542033474877 3304357446165 4626100424631 7710167374385 23130502123155