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42164178560 = 275722275923
BaseRepresentation
bin100111010001001011…
…100100111010000000
311000211111100012100222
4213101023210322000
51142323012203220
631211524402212
73021603414200
oct472113447200
9130744305328
1042164178560
1116977641469
128208846368
133c8c5512aa
14207dba2400
15116b9c9e25
hex9d12e4e80

42164178560 has 192 divisors, whose sum is σ = 117792105120. Its totient is φ = 14390175744.

The previous prime is 42164178517. The next prime is 42164178587. The reversal of 42164178560 is 6587146124.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7115759 + ... + 7121681.

Almost surely, 242164178560 is an apocalyptic number.

42164178560 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 42164178560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58896052560).

42164178560 is an abundant number, since it is smaller than the sum of its proper divisors (75627926560).

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

42164178560 is a wasteful number, since it uses less digits than its factorization.

42164178560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183 (or 6164 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 42164178560 in words is "forty-two billion, one hundred sixty-four million, one hundred seventy-eight thousand, five hundred sixty".