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252130130111 = 1511669735961
BaseRepresentation
bin1110101011010000100…
…0000111100010111111
3220002210101022200022002
43222310020013202333
513112330303130421
6311454343412515
724134006513426
oct3526410074277
9802711280262
10252130130111
1197a22981562
1240a45a5413b
131aa11499002
14c2bb6a22bd
156859d33b0b
hex3ab42078bf

252130130111 has 4 divisors (see below), whose sum is σ = 253799866224. Its totient is φ = 250460394000.

The previous prime is 252130130107. The next prime is 252130130149. The reversal of 252130130111 is 111031031252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252130130111 - 22 = 252130130107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252130130171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834867830 + ... + 834868131.

It is an arithmetic number, because the mean of its divisors is an integer number (63449966556).

Almost surely, 2252130130111 is an apocalyptic number.

252130130111 is a deficient number, since it is larger than the sum of its proper divisors (1669736113).

252130130111 is a wasteful number, since it uses less digits than its factorization.

252130130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669736112.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 252130130111 its reverse (111031031252), we get a palindrome (363161161363).

The spelling of 252130130111 in words is "two hundred fifty-two billion, one hundred thirty million, one hundred thirty thousand, one hundred eleven".

Divisors: 1 151 1669735961 252130130111