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23513514340 = 2252514683967
BaseRepresentation
bin10101111001100000…
…111100000101100100
32020200200211021211111
4111321200330011210
5341123424424330
614445120114404
71461454400641
oct257140740544
966620737744
1023513514340
119a76847388
124682765a04
1322a95965c4
1411d0ba0dc8
1592944732a
hex57983c164

23513514340 has 24 divisors (see below), whose sum is σ = 49575117312. Its totient is φ = 9367932000.

The previous prime is 23513514293. The next prime is 23513514371. The reversal of 23513514340 is 4341531532.

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, 2336964 + ... + 2347003.

It is an arithmetic number, because the mean of its divisors is an integer number (2065629888).

Almost surely, 223513514340 is an apocalyptic number.

23513514340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23513514340 is an abundant number, since it is smaller than the sum of its proper divisors (26061602972).

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

23513514340 is a wasteful number, since it uses less digits than its factorization.

23513514340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684227 (or 4684225 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 23513514340 in words is "twenty-three billion, five hundred thirteen million, five hundred fourteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 251 502 1004 1255 2510 5020 4683967 9367934 18735868 23419835 46839670 93679340 1175675717 2351351434 4702702868 5878378585 11756757170 23513514340