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85008933820 = 2256436610337
BaseRepresentation
bin100111100101011101…
…1010110001110111100
322010102102022021110101
41033022323112032330
52343044241340240
6103015204250444
76066413005126
oct1171273261674
9263372267411
1085008933820
1133063366208
12145853a0a24
138029aa0b95
1441860c4216
1523280dc39a
hex13caed63bc

85008933820 has 24 divisors (see below), whose sum is σ = 178796422224. Its totient is φ = 33950685696.

The previous prime is 85008933803. The next prime is 85008933851. The reversal of 85008933820 is 2833980058.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 3292309 + ... + 3318028.

It is an arithmetic number, because the mean of its divisors is an integer number (7449850926).

Almost surely, 285008933820 is an apocalyptic number.

It is an amenable number.

85008933820 is an abundant number, since it is smaller than the sum of its proper divisors (93787488404).

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

85008933820 is a wasteful number, since it uses less digits than its factorization.

85008933820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610989 (or 6610987 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 85008933820 in words is "eighty-five billion, eight million, nine hundred thirty-three thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 643 1286 2572 3215 6430 12860 6610337 13220674 26441348 33051685 66103370 132206740 4250446691 8500893382 17001786764 21252233455 42504466910 85008933820