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8697363123121 = 41212130807881
BaseRepresentation
bin111111010010000001100…
…1111010100101110110001
31010210110102012010120112121
41332210003033110232301
52114444144424414441
630255302523554241
71555235523522121
oct176440317245661
933713365116477
108697363123121
11285359281a242
12b8573538b981
134b120897900a
14220d516a2c81
151013897a5dd1
hex7e9033d4bb1

8697363123121 has 4 divisors (see below), whose sum is σ = 8909493931044. Its totient is φ = 8485232315200.

The previous prime is 8697363123091. The next prime is 8697363123139. The reversal of 8697363123121 is 1213213637968.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113424136225 + 8583938986896 = 336785^2 + 2929836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8697363123121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8697363123161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106065403900 + ... + 106065403981.

It is an arithmetic number, because the mean of its divisors is an integer number (2227373482761).

Almost surely, 28697363123121 is an apocalyptic number.

It is an amenable number.

8697363123121 is a deficient number, since it is larger than the sum of its proper divisors (212130807923).

8697363123121 is a wasteful number, since it uses less digits than its factorization.

8697363123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212130807922.

The product of its digits is 1959552, while the sum is 52.

The spelling of 8697363123121 in words is "eight trillion, six hundred ninety-seven billion, three hundred sixty-three million, one hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 41 212130807881 8697363123121