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2686961013 = 31197839413
BaseRepresentation
bin1010000000100111…
…1100010101110101
320221020222202120120
42200021330111311
521000330223023
61122342522153
7123404535402
oct24011742565
96836882516
102686961013
1111597a0640
1262ba36359
1333a89c879
141b6bdb2a9
1510ad5b8e3
hexa027c575

2686961013 has 16 divisors (see below), whose sum is σ = 3948603456. Its totient is φ = 1611671040.

The previous prime is 2686960999. The next prime is 2686961021. The reversal of 2686961013 is 3101696862.

It is not a de Polignac number, because 2686961013 - 224 = 2670183797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686961063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416506 + ... + 422907.

It is an arithmetic number, because the mean of its divisors is an integer number (246787716).

Almost surely, 22686961013 is an apocalyptic number.

It is an amenable number.

2686961013 is a deficient number, since it is larger than the sum of its proper divisors (1261642443).

2686961013 is a wasteful number, since it uses less digits than its factorization.

2686961013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839524.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2686961013 is about 51835.9046704116. The cubic root of 2686961013 is about 1390.2314906968.

The spelling of 2686961013 in words is "two billion, six hundred eighty-six million, nine hundred sixty-one thousand, thirteen".

Divisors: 1 3 11 33 97 291 1067 3201 839413 2518239 9233543 27700629 81423061 244269183 895653671 2686961013