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38365227444840 = 23351312440536097
BaseRepresentation
bin10001011100100100110011…
…10000001110101001101000
312000211200100122221201001220
420232102121300032221220
520012033441211213330
6213332424150542040
711036540046434562
oct1056223160165150
9160750318851056
1038365227444840
111125166879329a
124377531067920
131853a965c3cca
14968c5b9aa332
15467e7aa33710
hex22e499c0ea68

38365227444840 has 64 divisors (see below), whose sum is σ = 115974275376960. Its totient is φ = 10152630159360.

The previous prime is 38365227444781. The next prime is 38365227444877. The reversal of 38365227444840 is 4844472256383.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 1220252329 + ... + 1220283768.

It is an arithmetic number, because the mean of its divisors is an integer number (1812098052765).

Almost surely, 238365227444840 is an apocalyptic number.

38365227444840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38365227444840 is an abundant number, since it is smaller than the sum of its proper divisors (77609047932120).

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

38365227444840 is a wasteful number, since it uses less digits than its factorization.

38365227444840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440536242 (or 2440536238 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 60.

The spelling of 38365227444840 in words is "thirty-eight trillion, three hundred sixty-five billion, two hundred twenty-seven million, four hundred forty-four thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 131 262 393 524 655 786 1048 1310 1572 1965 2620 3144 3930 5240 7860 15720 2440536097 4881072194 7321608291 9762144388 12202680485 14643216582 19524288776 24405360970 29286433164 36608041455 48810721940 58572866328 73216082910 97621443880 146432165820 292864331640 319710228707 639420457414 959130686121 1278840914828 1598551143535 1918261372242 2557681829656 3197102287070 3836522744484 4795653430605 6394204574140 7673045488968 9591306861210 12788409148280 19182613722420 38365227444840