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85070805368 = 2331185212
BaseRepresentation
bin100111100111010011…
…1010111100101111000
322010120201201200021012
41033032213113211320
52343211111232433
6103025254333052
76101063625503
oct1171647274570
9263521650235
1085070805368
113309528521a
12145a205a188
138039854973
1441903cc13a
15232d75e848
hex13ce9d7978

85070805368 has 24 divisors (see below), whose sum is σ = 164662062240. Its totient is φ = 41161070400.

The previous prime is 85070805359. The next prime is 85070805377. The reversal of 85070805368 is 86350807058.

It is an interprime number because it is at equal distance from previous prime (85070805359) and next prime (85070805377).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4583948 + ... + 4602468.

It is an arithmetic number, because the mean of its divisors is an integer number (6860919260).

Almost surely, 285070805368 is an apocalyptic number.

It is an amenable number.

85070805368 is a deficient number, since it is larger than the sum of its proper divisors (79591256872).

85070805368 is an frugal number, since it uses more digits than its factorization.

85070805368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37079 (or 18554 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 85070805368 in words is "eighty-five billion, seventy million, eight hundred five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 31 62 124 248 18521 37042 74084 148168 574151 1148302 2296604 4593208 343027441 686054882 1372109764 2744219528 10633850671 21267701342 42535402684 85070805368