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12691064759046 = 232115177459841
BaseRepresentation
bin1011100010101101111001…
…1010000010001100000110
31122221020212010100020020020
42320223132122002030012
53130412300034242141
642554110014120010
72446620262362612
oct270533632021406
948836763306206
1012691064759046
114053283223743
12150b743ab0006
137109ba9316ab
1431c372328342
151701cc83e266
hexb8ade682306

12691064759046 has 8 divisors (see below), whose sum is σ = 25382129518104. Its totient is φ = 4230354919680.

The previous prime is 12691064759041. The next prime is 12691064759059. The reversal of 12691064759046 is 64095746019621.

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

12691064759046 is an admirable number.

It is a super-2 number, since 2×126910647590462 (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12691064759041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057588729915 + ... + 1057588729926.

It is an arithmetic number, because the mean of its divisors is an integer number (3172766189763).

Almost surely, 212691064759046 is an apocalyptic number.

12691064759046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12691064759046 is a wasteful number, since it uses less digits than its factorization.

12691064759046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115177459846.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 12691064759046 in words is "twelve trillion, six hundred ninety-one billion, sixty-four million, seven hundred fifty-nine thousand, forty-six".

Divisors: 1 2 3 6 2115177459841 4230354919682 6345532379523 12691064759046