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52987092338 = 261434320429
BaseRepresentation
bin110001010110010001…
…101101110101110010
312001202202120011222102
4301112101231311302
51332004143423323
640201505140402
73554032565525
oct612621556562
9161682504872
1052987092338
1120520917804
12a32932a702
134cc588509b
1427c9336bbc
1515a1c39328
hexc5646dd72

52987092338 has 8 divisors (see below), whose sum is σ = 80783599980. Its totient is φ = 26059225680.

The previous prime is 52987092299. The next prime is 52987092341. The reversal of 52987092338 is 83329078925.

It can be written as a sum of positive squares in 2 ways, for example, as 43028449489 + 9958642849 = 207433^2 + 99793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217160093 + ... + 217160336.

Almost surely, 252987092338 is an apocalyptic number.

52987092338 is a deficient number, since it is larger than the sum of its proper divisors (27796507642).

52987092338 is a wasteful number, since it uses less digits than its factorization.

52987092338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434320492.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 52987092338 in words is "fifty-two billion, nine hundred eighty-seven million, ninety-two thousand, three hundred thirty-eight".

Divisors: 1 2 61 122 434320429 868640858 26493546169 52987092338