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51525492871876 = 222392150172
BaseRepresentation
bin10111011011100101101101…
…01100110001001011000100
320202102210022012010110210021
423231302312230301023010
523223143202133400001
6301330252403504524
713565410514036242
oct1355626654611304
9222383265113707
1051525492871876
1115465925506431
125941b9b388144
132299aaa50054a
14ca1bc0879792
155e546a0d7ba1
hex2edcb6b312c4

51525492871876 has 27 divisors (see below), whose sum is σ = 90554499943789. Its totient is φ = 25653244123808.

The previous prime is 51525492871847. The next prime is 51525492871991. The reversal of 51525492871876 is 67817829452515.

The square root of 51525492871876 is 7178126.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17473319612100 + 34052173259776 = 4180110^2 + 5835424^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3431136720 + ... + 3431151736.

Almost surely, 251525492871876 is an apocalyptic number.

51525492871876 is the 7178126-th square number.

It is an amenable number.

51525492871876 is a deficient number, since it is larger than the sum of its proper divisors (39029007071913).

51525492871876 is an frugal number, since it uses more digits than its factorization.

51525492871876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30516 (or 15258 counting only the distinct ones).

The product of its digits is 338688000, while the sum is 70.

The spelling of 51525492871876 in words is "fifty-one trillion, five hundred twenty-five billion, four hundred ninety-two million, eight hundred seventy-one thousand, eight hundred seventy-six".

Divisors: 1 2 4 239 478 956 15017 30034 57121 60068 114242 228484 3589063 7178126 14356252 225510289 451020578 857786057 902041156 1715572114 3431144228 53896959071 107793918142 215587836284 12881373217969 25762746435938 51525492871876