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2570084865 = 32557112997
BaseRepresentation
bin1001100100110000…
…0110001000000001
320122010001211122100
42121030012020001
520230420203430
61103005501013
7120455234535
oct23114061001
96563054570
102570084865
1110a9822887
125b8871769
1331c5ca79a
141a5495bc5
15100971960
hex99306201

2570084865 has 12 divisors (see below), whose sum is σ = 4454813844. Its totient is φ = 1370711904.

The previous prime is 2570084857. The next prime is 2570084927. The reversal of 2570084865 is 5684800752.

It can be written as a sum of positive squares in 2 ways, for example, as 789160464 + 1780924401 = 28092^2 + 42201^2 .

It is not a de Polignac number, because 2570084865 - 23 = 2570084857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 57112997 = 2570084865 / (2 + 5 + 7 + 0 + 0 + 8 + 4 + 8 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2570084865.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28556454 + ... + 28556543.

It is an arithmetic number, because the mean of its divisors is an integer number (371234487).

Almost surely, 22570084865 is an apocalyptic number.

It is an amenable number.

2570084865 is a deficient number, since it is larger than the sum of its proper divisors (1884728979).

2570084865 is a wasteful number, since it uses less digits than its factorization.

2570084865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57113008 (or 57113005 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 2570084865 is about 50696.0044283571. The cubic root of 2570084865 is about 1369.7747449643.

The spelling of 2570084865 in words is "two billion, five hundred seventy million, eighty-four thousand, eight hundred sixty-five".

Divisors: 1 3 5 9 15 45 57112997 171338991 285564985 514016973 856694955 2570084865