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13857769337 = 1011371001501
BaseRepresentation
bin11001110011111110…
…01100011101111001
31022202202211121210012
430321333030131321
5211340042104322
610211032031305
71000260044606
oct147177143571
938682747705
1013857769337
115971393235
122828b32535
1313cb000419
149566516ad
155618daae2
hex339fcc779

13857769337 has 8 divisors (see below), whose sum is σ = 14097142152. Its totient is φ = 13620400000.

The previous prime is 13857769319. The next prime is 13857769381. The reversal of 13857769337 is 73396775831.

It can be written as a sum of positive squares in 4 ways, for example, as 3450505081 + 10407264256 = 58741^2 + 102016^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13857769337 - 26 = 13857769273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13857769397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486914 + ... + 514587.

It is an arithmetic number, because the mean of its divisors is an integer number (1762142769).

Almost surely, 213857769337 is an apocalyptic number.

It is an amenable number.

13857769337 is a deficient number, since it is larger than the sum of its proper divisors (239372815).

13857769337 is a wasteful number, since it uses less digits than its factorization.

13857769337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001739.

The product of its digits is 20003760, while the sum is 59.

The spelling of 13857769337 in words is "thirteen billion, eight hundred fifty-seven million, seven hundred sixty-nine thousand, three hundred thirty-seven".

Divisors: 1 101 137 13837 1001501 101151601 137205637 13857769337