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142664576520 = 23351517873321
BaseRepresentation
bin1000010011011101111…
…0001010111000001000
3111122020112120101120110
42010313132022320020
54314134112422040
6145312244554320
713210234614654
oct2046736127010
9448215511513
10142664576520
115555a4859a4
12237960b29a0
13105b7924cab
146c9547da64
153a9eb0a980
hex213778ae08

142664576520 has 64 divisors (see below), whose sum is σ = 430828179840. Its totient is φ = 37791936000.

The previous prime is 142664576513. The next prime is 142664576531. The reversal of 142664576520 is 25675466241.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 142664576520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3918541 + ... + 3954780.

It is an arithmetic number, because the mean of its divisors is an integer number (6731690310).

Almost surely, 2142664576520 is an apocalyptic number.

142664576520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142664576520 is an abundant number, since it is smaller than the sum of its proper divisors (288163603320).

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

142664576520 is a wasteful number, since it uses less digits than its factorization.

142664576520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7873486 (or 7873482 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 142664576520 in words is "one hundred forty-two billion, six hundred sixty-four million, five hundred seventy-six thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 151 302 453 604 755 906 1208 1510 1812 2265 3020 3624 4530 6040 9060 18120 7873321 15746642 23619963 31493284 39366605 47239926 62986568 78733210 94479852 118099815 157466420 188959704 236199630 314932840 472399260 944798520 1188871471 2377742942 3566614413 4755485884 5944357355 7133228826 9510971768 11888714710 14266457652 17833072065 23777429420 28532915304 35666144130 47554858840 71332288260 142664576520