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50520515925 = 35211223092411
BaseRepresentation
bin101111000011010000…
…011110010101010101
311211101212021010020110
4233003100132111111
51311431223002200
635113033553233
73435642204615
oct570320362525
9154355233213
1050520515925
111a475572400
12995b275819
1349c1859009
142633906a45
1514aa411b50
hexbc341e555

50520515925 has 72 divisors (see below), whose sum is σ = 91888806240. Its totient is φ = 24474032000.

The previous prime is 50520515897. The next prime is 50520516001. The reversal of 50520515925 is 52951502505.

50520515925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50520515925 - 210 = 50520514901 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20952970 + ... + 20955380.

It is an arithmetic number, because the mean of its divisors is an integer number (1276233420).

Almost surely, 250520515925 is an apocalyptic number.

50520515925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50520515925 is a deficient number, since it is larger than the sum of its proper divisors (41368290315).

50520515925 is a wasteful number, since it uses less digits than its factorization.

50520515925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755 (or 4739 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 50520515925 in words is "fifty billion, five hundred twenty million, five hundred fifteen thousand, nine hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 121 165 275 363 605 825 1815 2309 2411 3025 6927 7233 9075 11545 12055 25399 26521 34635 36165 57725 60275 76197 79563 126995 132605 173175 180825 279389 291731 380985 397815 634975 663025 838167 875193 1396945 1458655 1904925 1989075 4190835 4375965 5566999 6984725 7293275 16700997 20954175 21879825 27834995 61236989 83504985 139174975 183710967 306184945 417524925 673606879 918554835 1530924725 2020820637 3368034395 4592774175 10104103185 16840171975 50520515925