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42069576757 = 1326053124213
BaseRepresentation
bin100111001011100010…
…101100110000110101
311000120220022221002111
4213023202230300311
51142124302424012
631154305011021
73016344334165
oct471342546065
9130526287074
1042069576757
11169291a775a
1281a1023a71
133c75a7a8b0
1420713b85a5
15116353eba7
hex9cb8acc35

42069576757 has 8 divisors (see below), whose sum is σ = 45307801784. Its totient is φ = 38831652288.

The previous prime is 42069576701. The next prime is 42069576767. The reversal of 42069576757 is 75767596024.

42069576757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3657104676 + 38412472081 = 60474^2 + 195991^2 .

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

It is not a de Polignac number, because 42069576757 - 231 = 39922093109 is a prime.

It is a super-2 number, since 2×420695767572 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42069576767) 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, 276583 + ... + 400795.

It is an arithmetic number, because the mean of its divisors is an integer number (5663475223).

Almost surely, 242069576757 is an apocalyptic number.

It is an amenable number.

42069576757 is a deficient number, since it is larger than the sum of its proper divisors (3238225027).

42069576757 is a wasteful number, since it uses less digits than its factorization.

42069576757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150279.

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 42069576757 in words is "forty-two billion, sixty-nine million, five hundred seventy-six thousand, seven hundred fifty-seven".

Divisors: 1 13 26053 124213 338689 1614769 3236121289 42069576757