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23012130444 = 22317112804561
BaseRepresentation
bin10101011011101000…
…010011111010001100
32012101202101100102120
4111123220103322030
5334112101133234
614323245452540
71443155611212
oct253350237214
965352340376
1023012130444
119839825226
124562871150
132229748644
141184368cb2
158ea409049
hex55ba13e8c

23012130444 has 24 divisors (see below), whose sum is σ = 56853499248. Its totient is φ = 7219491840.

The previous prime is 23012130409. The next prime is 23012130457. The reversal of 23012130444 is 44403121032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56402077 + ... + 56402484.

It is an arithmetic number, because the mean of its divisors is an integer number (2368895802).

Almost surely, 223012130444 is an apocalyptic number.

It is an amenable number.

23012130444 is an abundant number, since it is smaller than the sum of its proper divisors (33841368804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23012130444 is a wasteful number, since it uses less digits than its factorization.

23012130444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112804585 (or 112804583 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23012130444 its reverse (44403121032), we get a palindrome (67415251476).

The spelling of 23012130444 in words is "twenty-three billion, twelve million, one hundred thirty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 112804561 225609122 338413683 451218244 676827366 1353654732 1917677537 3835355074 5753032611 7670710148 11506065222 23012130444