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1020525812512 = 25107298050763
BaseRepresentation
bin11101101100111000001…
…01000001101100100000
310121120011012100201220021
432312130011001230200
5113210014102000022
62100453441523224
7133505403165013
oct16663405015440
93546135321807
101020525812512
11363891241708
12145950043514
137530989552b
14375724c337a
151b82d7487c7
hexed9c141b20

1020525812512 has 24 divisors (see below), whose sum is σ = 2027937398256. Its totient is φ = 505494092352.

The previous prime is 1020525812401. The next prime is 1020525812521. The reversal of 1020525812512 is 2152185250201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149021958 + ... + 149028805.

It is an arithmetic number, because the mean of its divisors is an integer number (84497391594).

Almost surely, 21020525812512 is an apocalyptic number.

It is an amenable number.

1020525812512 is a deficient number, since it is larger than the sum of its proper divisors (1007411585744).

1020525812512 is a wasteful number, since it uses less digits than its factorization.

1020525812512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298050880 (or 298050872 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

The spelling of 1020525812512 in words is "one trillion, twenty billion, five hundred twenty-five million, eight hundred twelve thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 107 214 428 856 1712 3424 298050763 596101526 1192203052 2384406104 4768812208 9537624416 31891431641 63782863282 127565726564 255131453128 510262906256 1020525812512