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1080087668685 = 32524001948193
BaseRepresentation
bin11111011011110100011…
…11011110011111001101
310211020220011111112022100
433231322033132133031
5120144004420344220
62144104015105313
7141014402463324
oct17557217363715
93736804445270
101080087668685
11387076370833
121553b3212239
137ab0c6173cc
143a3c2ac30bb
151d1677a0d90
hexfb7a3de7cd

1080087668685 has 12 divisors (see below), whose sum is σ = 1872151959132. Its totient is φ = 576046756608.

The previous prime is 1080087668651. The next prime is 1080087668713. The reversal of 1080087668685 is 5868667800801.

It can be written as a sum of positive squares in 2 ways, for example, as 314529167241 + 765558501444 = 560829^2 + 874962^2 .

It is not a de Polignac number, because 1080087668685 - 213 = 1080087660493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12000974052 + ... + 12000974141.

It is an arithmetic number, because the mean of its divisors is an integer number (156012663261).

Almost surely, 21080087668685 is an apocalyptic number.

1080087668685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1080087668685 is a deficient number, since it is larger than the sum of its proper divisors (792064290447).

1080087668685 is a wasteful number, since it uses less digits than its factorization.

1080087668685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24001948204 (or 24001948201 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The spelling of 1080087668685 in words is "one trillion, eighty billion, eighty-seven million, six hundred sixty-eight thousand, six hundred eighty-five".

Divisors: 1 3 5 9 15 45 24001948193 72005844579 120009740965 216017533737 360029222895 1080087668685