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80008808740 = 22571274499933
BaseRepresentation
bin100101010000011100…
…1011000100100100100
321122111221200121022121
41022200321120210210
52302324223334430
6100431110235324
75531456440030
oct1124071304444
9248457617277
1080008808740
1130a27983233
121360a955b44
137710bca3a3
143c2ddcd1c0
15213415da7a
hex12a0e58924

80008808740 has 48 divisors (see below), whose sum is σ = 193533161472. Its totient is φ = 27215588736.

The previous prime is 80008808707. The next prime is 80008808741. The reversal of 80008808740 is 4780880008.

It is not an unprimeable number, because it can be changed into a prime (80008808741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2232187 + ... + 2267746.

It is an arithmetic number, because the mean of its divisors is an integer number (4031940864).

Almost surely, 280008808740 is an apocalyptic number.

It is an amenable number.

80008808740 is an abundant number, since it is smaller than the sum of its proper divisors (113524352732).

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

80008808740 is a wasteful number, since it uses less digits than its factorization.

80008808740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500076 (or 4500074 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 43.

The spelling of 80008808740 in words is "eighty billion, eight million, eight hundred eight thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 127 140 254 508 635 889 1270 1778 2540 3556 4445 8890 17780 4499933 8999866 17999732 22499665 31499531 44999330 62999062 89998660 125998124 157497655 314995310 571491491 629990620 1142982982 2285965964 2857457455 4000440437 5714914910 8000880874 11429829820 16001761748 20002202185 40004404370 80008808740