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53130050516 = 2240932475581
BaseRepresentation
bin110001011110110011…
…000011101111010100
312002010201120012201202
4301132303003233110
51332302243104031
640224013212032
73560416656314
oct613663035724
9162121505652
1053130050516
112059458a364
12a369191018
135019389a1a
14280030b444
1515ae5772cb
hexc5ecc3bd4

53130050516 has 12 divisors (see below), whose sum is σ = 93204920340. Its totient is φ = 26500073280.

The previous prime is 53130050483. The next prime is 53130050521. The reversal of 53130050516 is 61505003135.

It can be written as a sum of positive squares in 2 ways, for example, as 37848146116 + 15281904400 = 194546^2 + 123620^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16236155 + ... + 16239426.

It is an arithmetic number, because the mean of its divisors is an integer number (7767076695).

Almost surely, 253130050516 is an apocalyptic number.

It is an amenable number.

53130050516 is a deficient number, since it is larger than the sum of its proper divisors (40074869824).

53130050516 is a wasteful number, since it uses less digits than its factorization.

53130050516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32475994 (or 32475992 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

The spelling of 53130050516 in words is "fifty-three billion, one hundred thirty million, fifty thousand, five hundred sixteen".

Divisors: 1 2 4 409 818 1636 32475581 64951162 129902324 13282512629 26565025258 53130050516