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50513303450 = 2522994137021
BaseRepresentation
bin101111000010110100…
…111101011110011010
311211101100200200120202
4233002310331132122
51311422401202300
635112215222202
73435523665161
oct570264753632
9154340620522
1050513303450
111a471496585
129958977962
1349c020218c
14263298a3d8
1514a9989ad5
hexbc2d3d79a

50513303450 has 48 divisors (see below), whose sum is σ = 97300479960. Its totient is φ = 19487328000.

The previous prime is 50513303437. The next prime is 50513303497. The reversal of 50513303450 is 5430331505.

It can be written as a sum of positive squares in 12 ways, for example, as 340439401 + 50172864049 = 18451^2 + 223993^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1345940 + ... + 1382960.

Almost surely, 250513303450 is an apocalyptic number.

50513303450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50513303450 is a deficient number, since it is larger than the sum of its proper divisors (46787176510).

50513303450 is a wasteful number, since it uses less digits than its factorization.

50513303450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38003 (or 37998 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 50513303450 its reverse (5430331505), we get a palindrome (55943634955).

The spelling of 50513303450 in words is "fifty billion, five hundred thirteen million, three hundred three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 29 50 58 145 290 725 941 1450 1882 4705 9410 23525 27289 37021 47050 54578 74042 136445 185105 272890 370210 682225 925525 1073609 1364450 1851050 2147218 5368045 10736090 26840225 34836761 53680450 69673522 174183805 348367610 870919025 1010266069 1741838050 2020532138 5051330345 10102660690 25256651725 50513303450