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520807093642 = 211294631763093
BaseRepresentation
bin1111001010000101000…
…01011001010110001010
31211210021221102120211101
413211002201121112022
532013103103444032
61035131103252014
752425041153053
oct7450241312612
91753257376741
10520807093642
11190967032960
1284b292aa00a
133a15bac02c4
141b2c879d72a
15d832677de7
hex794285958a

520807093642 has 32 divisors (see below), whose sum is σ = 883521665280. Its totient is φ = 228073581120.

The previous prime is 520807093603. The next prime is 520807093643. The reversal of 520807093642 is 246390708025.

It is a junction number, because it is equal to n+sod(n) for n = 520807093592 and 520807093601.

It is not an unprimeable number, because it can be changed into a prime (520807093643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586153 + ... + 1176940.

It is an arithmetic number, because the mean of its divisors is an integer number (27610052040).

Almost surely, 2520807093642 is an apocalyptic number.

520807093642 is a deficient number, since it is larger than the sum of its proper divisors (362714571638).

520807093642 is a wasteful number, since it uses less digits than its factorization.

520807093642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763598.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 520807093642 in words is "five hundred twenty billion, eight hundred seven million, ninety-three thousand, six hundred forty-two".

Divisors: 1 2 11 22 29 58 319 463 638 926 5093 10186 13427 26854 147697 295394 1763093 3526186 19394023 38788046 51129697 102259394 562426667 816312059 1124853334 1632624118 8979432649 17958865298 23673049711 47346099422 260403546821 520807093642