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7013965985 = 513191564959
BaseRepresentation
bin1101000100001000…
…01010000010100001
3200002211000101111222
412202010022002201
5103331033402420
63115553344425
7335545504265
oct64204120241
920084011458
107013965985
112a7a223504
121438b68115
1387a185a40
144a77540a5
152b0b77225
hex1a210a0a1

7013965985 has 16 divisors (see below), whose sum is σ = 9111674880. Its totient is φ = 5152416960.

The previous prime is 7013965979. The next prime is 7013966009. The reversal of 7013965985 is 5895693107.

It is not a de Polignac number, because 7013965985 - 210 = 7013964961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270065 + ... + 294894.

It is an arithmetic number, because the mean of its divisors is an integer number (569479680).

Almost surely, 27013965985 is an apocalyptic number.

It is an amenable number.

7013965985 is a deficient number, since it is larger than the sum of its proper divisors (2097708895).

7013965985 is a wasteful number, since it uses less digits than its factorization.

7013965985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565168.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The square root of 7013965985 is about 83749.4237890626. The cubic root of 7013965985 is about 1914.2025266057.

The spelling of 7013965985 in words is "seven billion, thirteen million, nine hundred sixty-five thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 191 955 2483 12415 564959 2824795 7344467 36722335 107907169 539535845 1402793197 7013965985