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8331109270842 = 231781677541871
BaseRepresentation
bin111100100111011110011…
…0011110000010100111010
31002111110001022220010111210
41321032330303300110322
52042444102433131332
625415131520503550
71516621440245331
oct171167463602472
932443038803453
108331109270842
112722226aa0126
12b2675b77abb6
1348580a863527
1420b32929cd18
15e6aa0815ecc
hex793bccf053a

8331109270842 has 16 divisors (see below), whose sum is σ = 17642349044352. Its totient is φ = 2613681339840.

The previous prime is 8331109270831. The next prime is 8331109270843. The reversal of 8331109270842 is 2480729011338.

It is a happy number.

It is a super-2 number, since 2×83311092708422 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8331109270791 and 8331109270800.

It is not an unprimeable number, because it can be changed into a prime (8331109270843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40838770834 + ... + 40838771037.

It is an arithmetic number, because the mean of its divisors is an integer number (1102646815272).

Almost surely, 28331109270842 is an apocalyptic number.

8331109270842 is an abundant number, since it is smaller than the sum of its proper divisors (9311239773510).

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

8331109270842 is a wasteful number, since it uses less digits than its factorization.

8331109270842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81677541893.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 8331109270842 in words is "eight trillion, three hundred thirty-one billion, one hundred nine million, two hundred seventy thousand, eight hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 81677541871 163355083742 245032625613 490065251226 1388518211807 2777036423614 4165554635421 8331109270842