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23514252420 = 2235537394419
BaseRepresentation
bin10101111001100011…
…110000010010000100
32020200202012210021210
4111321203300102010
5341124122034140
614445144011420
71461463563531
oct257143602204
966622183253
1023514252420
119a7720096a
124682a60b70
1322a9794539
1411d0d13d88
15929540d80
hex5798f0484

23514252420 has 48 divisors (see below), whose sum is σ = 67082178240. Its totient is φ = 6152155776.

The previous prime is 23514252407. The next prime is 23514252467. The reversal of 23514252420 is 2425241532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3694030 + ... + 3700389.

It is an arithmetic number, because the mean of its divisors is an integer number (1397545380).

Almost surely, 223514252420 is an apocalyptic number.

23514252420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23514252420 is an abundant number, since it is smaller than the sum of its proper divisors (43567925820).

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

23514252420 is a wasteful number, since it uses less digits than its factorization.

23514252420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7394484 (or 7394482 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 23514252420 its reverse (2425241532), we get a palindrome (25939493952).

The spelling of 23514252420 in words is "twenty-three billion, five hundred fourteen million, two hundred fifty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 7394419 14788838 22183257 29577676 36972095 44366514 73944190 88733028 110916285 147888380 221832570 391904207 443665140 783808414 1175712621 1567616828 1959521035 2351425242 3919042070 4702850484 5878563105 7838084140 11757126210 23514252420