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80895825260 = 2259741698879
BaseRepresentation
bin100101101010111000…
…1000101010101101100
321201210202202201020022
41023111301011111230
52311133312402020
6101055114141312
75562450112025
oct1132561052554
9251722681208
1080895825260
1131342647938
1213817a21838
1378228c9233
143cb5b29c4c
152186e73625
hex12d5c4556c

80895825260 has 24 divisors (see below), whose sum is σ = 171632590080. Its totient is φ = 32024738304.

The previous prime is 80895825253. The next prime is 80895825277. The reversal of 80895825260 is 6252859808.

It is a happy number.

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, 20847500 + ... + 20851379.

It is an arithmetic number, because the mean of its divisors is an integer number (7151357920).

Almost surely, 280895825260 is an apocalyptic number.

It is an amenable number.

80895825260 is an abundant number, since it is smaller than the sum of its proper divisors (90736764820).

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

80895825260 is a wasteful number, since it uses less digits than its factorization.

80895825260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41698985 (or 41698983 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 80895825260 in words is "eighty billion, eight hundred ninety-five million, eight hundred twenty-five thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 41698879 83397758 166795516 208494395 416988790 833977580 4044791263 8089582526 16179165052 20223956315 40447912630 80895825260