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193937956120 = 23567465115559
BaseRepresentation
bin1011010010011110011…
…0100101110100011000
3200112120212110221121201
42310213212211310120
511134141104043440
6225032135243544
720003651266456
oct2644746456430
9615525427551
10193937956120
1175280a13987
12317055195b4
131539943c06c
14955ad619d6
1550a118319a
hex2d279a5d18

193937956120 has 64 divisors (see below), whose sum is σ = 442996934400. Its totient is φ = 76396003200.

The previous prime is 193937956109. The next prime is 193937956229. The reversal of 193937956120 is 21659739391.

193937956120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1939379561202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12456901 + ... + 12472459.

It is an arithmetic number, because the mean of its divisors is an integer number (6921827100).

Almost surely, 2193937956120 is an apocalyptic number.

193937956120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193937956120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221498467200).

193937956120 is an abundant number, since it is smaller than the sum of its proper divisors (249058978280).

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

193937956120 is a wasteful number, since it uses less digits than its factorization.

193937956120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20288 (or 20284 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 55.

The spelling of 193937956120 in words is "one hundred ninety-three billion, nine hundred thirty-seven million, nine hundred fifty-six thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 4651 9302 15559 18604 23255 31118 37208 46510 62236 77795 93020 124472 155590 186040 311180 311617 622360 623234 1042453 1246468 1558085 2084906 2492936 3116170 4169812 5212265 6232340 8339624 10424530 12464680 20849060 41698120 72364909 144729818 289459636 361824545 578919272 723649090 1447298180 2894596360 4848448903 9696897806 19393795612 24242244515 38787591224 48484489030 96968978060 193937956120