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2689634276961 = 33128920798677
BaseRepresentation
bin100111001000111010101…
…100100001011001100001
3100112010102020101221212220
4213020322230201121201
5323031332333330321
65415333444541253
7365214434065512
oct47107254413141
910463366357786
102689634276961
11947738481325
123753290b1829
13166829314188
1494271230a09
1549e6c0349c6
hex2723ab21661

2689634276961 has 8 divisors (see below), whose sum is σ = 3701862230784. Its totient is φ = 1735247920560.

The previous prime is 2689634276947. The next prime is 2689634276971. The reversal of 2689634276961 is 1696724369862.

2689634276961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2689634276961 - 26 = 2689634276897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2689634276971) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14460399246 + ... + 14460399431.

It is an arithmetic number, because the mean of its divisors is an integer number (462732778848).

Almost surely, 22689634276961 is an apocalyptic number.

It is an amenable number.

2689634276961 is a deficient number, since it is larger than the sum of its proper divisors (1012227953823).

2689634276961 is a wasteful number, since it uses less digits than its factorization.

2689634276961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28920798711.

The product of its digits is 282175488, while the sum is 69.

The spelling of 2689634276961 in words is "two trillion, six hundred eighty-nine billion, six hundred thirty-four million, two hundred seventy-six thousand, nine hundred sixty-one".

Divisors: 1 3 31 93 28920798677 86762396031 896544758987 2689634276961