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11970535825 = 521021468973
BaseRepresentation
bin10110010010111111…
…11110000110010001
31010220020200020002201
423021133332012101
5144003424121300
65255454043201
7602432606233
oct131137760621
933806606081
1011970535825
115093067816
1223a0aa9501
13118a0196c1
14817b4c253
154a0da066a
hex2c97fe191

11970535825 has 12 divisors (see below), whose sum is σ = 14858034268. Its totient is φ = 9567028800.

The previous prime is 11970535789. The next prime is 11970535831. The reversal of 11970535825 is 52853507911.

It can be written as a sum of positive squares in 6 ways, for example, as 1230115329 + 10740420496 = 35073^2 + 103636^2 .

It is not a de Polignac number, because 11970535825 - 213 = 11970527633 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 208962 + ... + 260011.

Almost surely, 211970535825 is an apocalyptic number.

It is an amenable number.

11970535825 is a deficient number, since it is larger than the sum of its proper divisors (2887498443).

11970535825 is a wasteful number, since it uses less digits than its factorization.

11970535825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470004 (or 469999 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 11970535825 in words is "eleven billion, nine hundred seventy million, five hundred thirty-five thousand, eight hundred twenty-five".

Divisors: 1 5 25 1021 5105 25525 468973 2344865 11724325 478821433 2394107165 11970535825