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23512225134 = 2323170378443
BaseRepresentation
bin10101111001011100…
…000001010101101110
32020200121101210101010
4111321130001111232
5341123112201014
614445032330050
71461440421216
oct257134012556
966617353333
1023512225134
119a76046822
124682243926
1322a9234868
1411d0947246
15929290359
hex57970156e

23512225134 has 16 divisors (see below), whose sum is σ = 49068991872. Its totient is φ = 7496651448.

The previous prime is 23512225133. The next prime is 23512225147. The reversal of 23512225134 is 43152221532.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23512225133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85189084 + ... + 85189359.

It is an arithmetic number, because the mean of its divisors is an integer number (3066811992).

Almost surely, 223512225134 is an apocalyptic number.

23512225134 is an abundant number, since it is smaller than the sum of its proper divisors (25556766738).

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

23512225134 is a wasteful number, since it uses less digits than its factorization.

23512225134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170378471.

The product of its digits is 14400, while the sum is 30.

Adding to 23512225134 its reverse (43152221532), we get a palindrome (66664446666).

The spelling of 23512225134 in words is "twenty-three billion, five hundred twelve million, two hundred twenty-five thousand, one hundred thirty-four".

Divisors: 1 2 3 6 23 46 69 138 170378443 340756886 511135329 1022270658 3918704189 7837408378 11756112567 23512225134