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72827076810 = 2352909834503
BaseRepresentation
bin100001111010011010…
…1010000000011001010
320221222102222211012010
41003310311100003022
52143122212424220
653242321000350
75155502640045
oct1036465200312
9227872884163
1072827076810
1128981a93794
12121457830b6
136b38065177
14374c287c5c
151d638e81e0
hex10f4d500ca

72827076810 has 32 divisors (see below), whose sum is σ = 174845278080. Its totient is φ = 19413854528.

The previous prime is 72827076793. The next prime is 72827076937. The reversal of 72827076810 is 1867072827.

It is a happy number.

It is a super-2 number, since 2×728270768102 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72827076810.

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, 329982 + ... + 504521.

It is an arithmetic number, because the mean of its divisors is an integer number (5463914940).

Almost surely, 272827076810 is an apocalyptic number.

72827076810 is an abundant number, since it is smaller than the sum of its proper divisors (102018201270).

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

72827076810 is a wasteful number, since it uses less digits than its factorization.

72827076810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837422.

The product of its (nonzero) digits is 526848, while the sum is 48.

The spelling of 72827076810 in words is "seventy-two billion, eight hundred twenty-seven million, seventy-six thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 2909 5818 8727 14545 17454 29090 43635 87270 834503 1669006 2503509 4172515 5007018 8345030 12517545 25035090 2427569227 4855138454 7282707681 12137846135 14565415362 24275692270 36413538405 72827076810