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23414442140 = 22519471310999
BaseRepresentation
bin10101110011100111…
…000000100010011100
32020102210101220022202
4111303213000202130
5340423044122030
614431220431032
71456142321465
oct256347004234
966383356282
1023414442140
119a25929a31
124655548478
132291bb91bb
1411c1971d6c
159208c7745
hex5739c089c

23414442140 has 48 divisors (see below), whose sum is σ = 52859520000. Its totient is φ = 8684050752.

The previous prime is 23414442133. The next prime is 23414442151. The reversal of 23414442140 is 4124441432.

It is a super-2 number, since 2×234144421402 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 637640 + ... + 673359.

It is an arithmetic number, because the mean of its divisors is an integer number (1101240000).

Almost surely, 223414442140 is an apocalyptic number.

23414442140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23414442140 is an abundant number, since it is smaller than the sum of its proper divisors (29445077860).

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

23414442140 is a wasteful number, since it uses less digits than its factorization.

23414442140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311074 (or 1311072 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 23414442140 its reverse (4124441432), we get a palindrome (27538883572).

The spelling of 23414442140 in words is "twenty-three billion, four hundred fourteen million, four hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 47 76 94 95 188 190 235 380 470 893 940 1786 3572 4465 8930 17860 1310999 2621998 5243996 6554995 13109990 24908981 26219980 49817962 61616953 99635924 123233906 124544905 246467812 249089810 308084765 498179620 616169530 1170722107 1232339060 2341444214 4682888428 5853610535 11707221070 23414442140