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52120464052 = 2231420326323
BaseRepresentation
bin110000100010100111…
…110010101010110100
311222112100211220110111
4300202213302222310
51323220314322202
635535510232404
73523410430456
oct604247625264
9158470756414
1052120464052
1120116709088
12a127055704
134bb8174297
1427461c62d6
151550b006d7
hexc229f2ab4

52120464052 has 12 divisors (see below), whose sum is σ = 94153096576. Its totient is φ = 25219579320.

The previous prime is 52120464031. The next prime is 52120464079. The reversal of 52120464052 is 25046402125.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 210163038 + ... + 210163285.

Almost surely, 252120464052 is an apocalyptic number.

It is an amenable number.

52120464052 is a deficient number, since it is larger than the sum of its proper divisors (42032632524).

52120464052 is a wasteful number, since it uses less digits than its factorization.

52120464052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420326358 (or 420326356 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 52120464052 its reverse (25046402125), we get a palindrome (77166866177).

The spelling of 52120464052 in words is "fifty-two billion, one hundred twenty million, four hundred sixty-four thousand, fifty-two".

Divisors: 1 2 4 31 62 124 420326323 840652646 1681305292 13030116013 26060232026 52120464052