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850853892385 = 57231378176697
BaseRepresentation
bin11000110000110101101…
…10000001000100100001
310000100012110201010202101
430120122312001010201
5102420022044024020
61450513223450401
7115320644516650
oct14303266010441
93010173633671
10850853892385
112a8932927832
12118a992b6a01
13623098bb263
142d27824d197
15171ecb0700a
hexc61ad81121

850853892385 has 32 divisors (see below), whose sum is σ = 1217723715072. Its totient is φ = 558027824640.

The previous prime is 850853892379. The next prime is 850853892403. The reversal of 850853892385 is 583298358058.

It is not a de Polignac number, because 850853892385 - 229 = 850317021473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11055357 + ... + 11132053.

It is an arithmetic number, because the mean of its divisors is an integer number (38053866096).

Almost surely, 2850853892385 is an apocalyptic number.

It is an amenable number.

850853892385 is a deficient number, since it is larger than the sum of its proper divisors (366869822687).

850853892385 is a wasteful number, since it uses less digits than its factorization.

850853892385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90513.

The product of its (nonzero) digits is 82944000, while the sum is 64.

The spelling of 850853892385 in words is "eight hundred fifty billion, eight hundred fifty-three million, eight hundred ninety-two thousand, three hundred eighty-five".

Divisors: 1 5 7 23 35 115 161 805 13781 68905 76697 96467 316963 383485 482335 536879 1584815 1764031 2218741 2684395 8820155 11093705 12348217 61741085 1056961357 5284806785 7398729499 24310111211 36993647495 121550556055 170170778477 850853892385