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52531534450 = 2521050630689
BaseRepresentation
bin110000111011000111…
…111001101001110010
312000121000100110001001
4300323013321221302
51330041033100300
640044353032214
73536531450443
oct607307715162
9160530313031
1052531534450
112030775538a
12a22085566a
134c523906c5
142784a2d2ca
151576c4e16a
hexc3b1f9a72

52531534450 has 12 divisors (see below), whose sum is σ = 97708654170. Its totient is φ = 21012613760.

The previous prime is 52531534339. The next prime is 52531534487. The reversal of 52531534450 is 5443513525.

It can be written as a sum of positive squares in 3 ways, for example, as 28591089921 + 23940444529 = 169089^2 + 154727^2 .

It is a super-2 number, since 2×525315344502 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525315295 + ... + 525315394.

Almost surely, 252531534450 is an apocalyptic number.

52531534450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52531534450 is a deficient number, since it is larger than the sum of its proper divisors (45177119720).

52531534450 is a wasteful number, since it uses less digits than its factorization.

52531534450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050630701 (or 1050630696 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 52531534450 in words is "fifty-two billion, five hundred thirty-one million, five hundred thirty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1050630689 2101261378 5253153445 10506306890 26265767225 52531534450