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51231053122345 = 535272905078147
BaseRepresentation
bin10111010011000001010001…
…01110010000101100101001
320201101122022011210102202201
423221200220232100230221
523203332144044403340
6300543115414100201
713535215153334425
oct1351405056205451
9221348264712681
1051231053122345
1115361a70995658
1258b4b0804a661
1322780b561c595
14c9184bd95b85
155dc985b4a79a
hex2e9828b90b29

51231053122345 has 8 divisors (see below), whose sum is σ = 61494694236864. Its totient is φ = 40973222171184.

The previous prime is 51231053122331. The next prime is 51231053122369. The reversal of 51231053122345 is 54322135013215.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51231053122345 - 241 = 49032029866793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452521439 + ... + 1452556708.

It is an arithmetic number, because the mean of its divisors is an integer number (7686836779608).

Almost surely, 251231053122345 is an apocalyptic number.

It is an amenable number.

51231053122345 is a deficient number, since it is larger than the sum of its proper divisors (10263641114519).

51231053122345 is a wasteful number, since it uses less digits than its factorization.

51231053122345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905081679.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 51231053122345 in words is "fifty-one trillion, two hundred thirty-one billion, fifty-three million, one hundred twenty-two thousand, three hundred forty-five".

Divisors: 1 5 3527 17635 2905078147 14525390735 10246210624469 51231053122345