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42769708061 = 163262390847
BaseRepresentation
bin100111110101010001…
…011111010000011101
311002101200202021200112
4213311101133100131
51200043021124221
631351555135405
73042605343263
oct476521372035
9132350667615
1042769708061
1117158426773
1283575a4565
134057b34982
1420da388433
1511a4c3b15b
hex9f545f41d

42769708061 has 4 divisors (see below), whose sum is σ = 43032099072. Its totient is φ = 42507317052.

The previous prime is 42769708057. The next prime is 42769708063. The reversal of 42769708061 is 16080796724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42769708061 - 22 = 42769708057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42769708063) 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, 131195261 + ... + 131195586.

It is an arithmetic number, because the mean of its divisors is an integer number (10758024768).

Almost surely, 242769708061 is an apocalyptic number.

It is an amenable number.

42769708061 is a deficient number, since it is larger than the sum of its proper divisors (262391011).

42769708061 is a wasteful number, since it uses less digits than its factorization.

42769708061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262391010.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 42769708061 in words is "forty-two billion, seven hundred sixty-nine million, seven hundred eight thousand, sixty-one".

Divisors: 1 163 262390847 42769708061