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80054517577640 = 2352936830590237
BaseRepresentation
bin10010001100111100100101…
…000101010011011110101000
3101111110010200222021220202012
4102030330211011103132220
540443103122444441030
6442132312045255052
722601514400643354
oct2214744505233650
9344403628256665
1080054517577640
1123564a26179131
128b8b127b64488
1335891548213b8
1415aa933288464
1593c605be0095
hex48cf251537a8

80054517577640 has 32 divisors (see below), whose sum is σ = 180737417697480. Its totient is φ = 31912517582592.

The previous prime is 80054517577597. The next prime is 80054517577673. The reversal of 80054517577640 is 4677571545008.

80054517577640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 71679895094404 + 8374622483236 = 8466398^2 + 2893894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80054517577640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3415283399 + ... + 3415306838.

Almost surely, 280054517577640 is an apocalyptic number.

It is an amenable number.

80054517577640 is an abundant number, since it is smaller than the sum of its proper divisors (100682900119840).

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

80054517577640 is a wasteful number, since it uses less digits than its factorization.

80054517577640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6830590541 (or 6830590537 counting only the distinct ones).

The product of its (nonzero) digits is 32928000, while the sum is 59.

The spelling of 80054517577640 in words is "eighty trillion, fifty-four billion, five hundred seventeen million, five hundred seventy-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 293 586 1172 1465 2344 2930 5860 11720 6830590237 13661180474 27322360948 34152951185 54644721896 68305902370 136611804740 273223609480 2001362939441 4002725878882 8005451757764 10006814697205 16010903515528 20013629394410 40027258788820 80054517577640