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51612202633601 = 972237237856309
BaseRepresentation
bin10111011110000111001110…
…00000010000100110000001
320202202002010010211202111202
423233003213000100212001
523231103242333233401
6301434152450550545
713604600331615341
oct1357034700204601
9222662103752452
1051612202633601
111549968094a835
12595695a298455
1322a501877a76c
14ca60887bcd21
155e784268e06b
hex2ef0e7010981

51612202633601 has 8 divisors (see below), whose sum is σ = 52167597334440. Its totient is φ = 51057283650048.

The previous prime is 51612202633561. The next prime is 51612202633619. The reversal of 51612202633601 is 10633620221615.

It can be written as a sum of positive squares in 4 ways, for example, as 32125487164225 + 19486715469376 = 5667935^2 + 4414376^2 .

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 51612202633601 - 226 = 51612135524737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51612202633681) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 118711166 + ... + 119145143.

It is an arithmetic number, because the mean of its divisors is an integer number (6520949666805).

Almost surely, 251612202633601 is an apocalyptic number.

It is an amenable number.

51612202633601 is a deficient number, since it is larger than the sum of its proper divisors (555394700839).

51612202633601 is a wasteful number, since it uses less digits than its factorization.

51612202633601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237858643.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 51612202633601 in words is "fifty-one trillion, six hundred twelve billion, two hundred two million, six hundred thirty-three thousand, six hundred one".

Divisors: 1 97 2237 216989 237856309 23072061973 532084563233 51612202633601