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51073507432705 = 567811506370961
BaseRepresentation
bin10111001110011011110100…
…10001001001100100000001
320200211120122112210011122111
423213031322101021210001
523143242020400321310
6300342502335135321
713520640061144132
oct1347157221114401
9220746575704574
1051073507432705
111530117550a16a
12588a47a374541
1322662989a5914
14c87d843dbc89
155d88148b128a
hex2e737a449901

51073507432705 has 8 divisors (see below), whose sum is σ = 61297247185704. Its totient is φ = 40852780435200.

The previous prime is 51073507432667. The next prime is 51073507432733. The reversal of 51073507432705 is 50723470537015.

It can be written as a sum of positive squares in 4 ways, for example, as 14345338050576 + 36728169382129 = 3787524^2 + 6060377^2 .

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

It is not a de Polignac number, because 51073507432705 - 217 = 51073507301633 is a prime.

It is a super-2 number, since 2×510735074327052 (a number of 28 digits) contains 22 as substring.

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, 753151576 + ... + 753219385.

It is an arithmetic number, because the mean of its divisors is an integer number (7662155898213).

Almost surely, 251073507432705 is an apocalyptic number.

It is an amenable number.

51073507432705 is a deficient number, since it is larger than the sum of its proper divisors (10223739752999).

51073507432705 is a wasteful number, since it uses less digits than its factorization.

51073507432705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506377747.

The product of its (nonzero) digits is 3087000, while the sum is 49.

The spelling of 51073507432705 in words is "fifty-one trillion, seventy-three billion, five hundred seven million, four hundred thirty-two thousand, seven hundred five".

Divisors: 1 5 6781 33905 1506370961 7531854805 10214701486541 51073507432705