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42707724160 = 275373178903
BaseRepresentation
bin100111110001100101…
…000010011110000000
311002020101010011202111
4213301211002132000
51144431134133120
631341502425104
73041223444223
oct476145023600
9132211104674
1042707724160
1117126440302
12833a892194
1340480419ca
1420d20515ba
15119e59575a
hex9f1942780

42707724160 has 64 divisors (see below), whose sum is σ = 102372446880. Its totient is φ = 17037195264.

The previous prime is 42707724149. The next prime is 42707724161. The reversal of 42707724160 is 6142770724.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42707724161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149269 + ... + 328171.

Almost surely, 242707724160 is an apocalyptic number.

42707724160 is a gapful number since it is divisible by the number (40) 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 42707724160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51186223440).

42707724160 is an abundant number, since it is smaller than the sum of its proper divisors (59664722720).

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

42707724160 is a wasteful number, since it uses less digits than its factorization.

42707724160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179295 (or 179283 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 42707724160 in words is "forty-two billion, seven hundred seven million, seven hundred twenty-four thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 373 640 746 1492 1865 2984 3730 5968 7460 11936 14920 23872 29840 47744 59680 119360 178903 238720 357806 715612 894515 1431224 1789030 2862448 3578060 5724896 7156120 11449792 14312240 22899584 28624480 57248960 66730819 114497920 133461638 266923276 333654095 533846552 667308190 1067693104 1334616380 2135386208 2669232760 4270772416 5338465520 8541544832 10676931040 21353862080 42707724160