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51060060050605 = 510212012010121
BaseRepresentation
bin10111001110000010110001…
…01111011101010010101101
320200210021221101011101022121
423213001120233131102231
523143032000333104410
6300332400123112541
713516652613242404
oct1347013057352255
9220707841141277
1051060060050605
11152a64a4846a41
125887946972751
132264c34a129a8
14c8746a49663b
155d82c903b9da
hex2e7058bdd4ad

51060060050605 has 4 divisors (see below), whose sum is σ = 61272072060732. Its totient is φ = 40848048040480.

The previous prime is 51060060050569. The next prime is 51060060050611. The reversal of 51060060050605 is 50605006006015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29780835381124 + 21279224669481 = 5457182^2 + 4612941^2 .

It is not a de Polignac number, because 51060060050605 - 231 = 51057912566957 is a prime.

It is a Duffinian number.

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, 5106006005056 + ... + 5106006005065.

It is an arithmetic number, because the mean of its divisors is an integer number (15318018015183).

Almost surely, 251060060050605 is an apocalyptic number.

It is an amenable number.

51060060050605 is a deficient number, since it is larger than the sum of its proper divisors (10212012010127).

51060060050605 is a wasteful number, since it uses less digits than its factorization.

51060060050605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212012010126.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 51060060050605 in words is "fifty-one trillion, sixty billion, sixty million, fifty thousand, six hundred five".

Divisors: 1 5 10212012010121 51060060050605