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80061521136 = 2431667948357
BaseRepresentation
bin100101010010000001…
…0011101110011110000
321122122121212200010120
41022210002131303300
52302431222134021
6100440232130240
75532666462342
oct1124402356360
9248577780116
1080061521136
1130a547068a3
1213624536980
13771bac525c
143c36dd1292
152138ac22c6
hex12a409dcf0

80061521136 has 20 divisors (see below), whose sum is σ = 206825596392. Its totient is φ = 26687173696.

The previous prime is 80061521119. The next prime is 80061521173. The reversal of 80061521136 is 63112516008.

It is a super-2 number, since 2×800615211362 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80061521097 and 80061521106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833974131 + ... + 833974226.

Almost surely, 280061521136 is an apocalyptic number.

It is an amenable number.

80061521136 is an abundant number, since it is smaller than the sum of its proper divisors (126764075256).

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

80061521136 is a wasteful number, since it uses less digits than its factorization.

80061521136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667948368 (or 1667948362 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 80061521136 in words is "eighty billion, sixty-one million, five hundred twenty-one thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 1667948357 3335896714 5003845071 6671793428 10007690142 13343586856 20015380284 26687173712 40030760568 80061521136