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8108497950561 = 32900944216729
BaseRepresentation
bin111010111111110100000…
…1000111101011101100001
31001201011110011102100202200
41311333220020331131201
52030322200433404221
625124554215403413
71464551065244631
oct165775010753541
931634404370680
108108497950561
112646881783378
12aab593683569
1346a821b61cc8
1420064c1886c1
15e0dc225b426
hex75fe823d761

8108497950561 has 6 divisors (see below), whose sum is σ = 11712274817490. Its totient is φ = 5405665300368.

The previous prime is 8108497950379. The next prime is 8108497950601. The reversal of 8108497950561 is 1650597948018.

8108497950561 is a `hidden beast` number, since 8 + 1 + 0 + 8 + 497 + 95 + 0 + 56 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7892615984400 + 215881966161 = 2809380^2 + 464631^2 .

It is not a de Polignac number, because 8108497950561 - 219 = 8108497426273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8108497950061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450472108356 + ... + 450472108373.

It is an arithmetic number, because the mean of its divisors is an integer number (1952045802915).

Almost surely, 28108497950561 is an apocalyptic number.

It is an amenable number.

8108497950561 is a deficient number, since it is larger than the sum of its proper divisors (3603776866929).

8108497950561 is a wasteful number, since it uses less digits than its factorization.

8108497950561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900944216735 (or 900944216732 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 63.

The spelling of 8108497950561 in words is "eight trillion, one hundred eight billion, four hundred ninety-seven million, nine hundred fifty thousand, five hundred sixty-one".

Divisors: 1 3 9 900944216729 2702832650187 8108497950561