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23412344420 = 2252647442243
BaseRepresentation
bin10101110011011111…
…000000011001100100
32020102122110022210102
4111303133000121210
5340422030010140
614431103443232
71456115433623
oct256337003144
966378408712
1023412344420
119a24726983
1246548b6518
13229163344a
1411c15876ba
15920610e15
hex5737c0664

23412344420 has 24 divisors (see below), whose sum is σ = 49184608704. Its totient is φ = 9361378656.

The previous prime is 23412344413. The next prime is 23412344447. The reversal of 23412344420 is 2444321432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168182 + ... + 274061.

It is an arithmetic number, because the mean of its divisors is an integer number (2049358696).

Almost surely, 223412344420 is an apocalyptic number.

23412344420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23412344420 is an abundant number, since it is smaller than the sum of its proper divisors (25772264284).

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

23412344420 is a wasteful number, since it uses less digits than its factorization.

23412344420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444899 (or 444897 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 23412344420 its reverse (2444321432), we get a palindrome (25856665852).

The spelling of 23412344420 in words is "twenty-three billion, four hundred twelve million, three hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2647 5294 10588 13235 26470 52940 442243 884486 1768972 2211215 4422430 8844860 1170617221 2341234442 4682468884 5853086105 11706172210 23412344420