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42052583831 = 45792018783
BaseRepresentation
bin100111001010100001…
…111000000110010111
311000112201100121011212
4213022201320012113
51142110430140311
631152500452035
73016050031136
oct471241700627
9130481317155
1042052583831
111691a650715
1281973aa01b
133c723ab0cb
14206d03391d
151161cd4c8b
hex9ca878197

42052583831 has 4 divisors (see below), whose sum is σ = 42144603072. Its totient is φ = 41960564592.

The previous prime is 42052583821. The next prime is 42052583843. The reversal of 42052583831 is 13838525024.

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

It is a cyclic number.

It is not a de Polignac number, because 42052583831 - 210 = 42052582807 is a prime.

It is a super-2 number, since 2×420525838312 (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 (42052583821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46008935 + ... + 46009848.

It is an arithmetic number, because the mean of its divisors is an integer number (10536150768).

Almost surely, 242052583831 is an apocalyptic number.

42052583831 is a deficient number, since it is larger than the sum of its proper divisors (92019241).

42052583831 is an equidigital number, since it uses as much as digits as its factorization.

42052583831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92019240.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 42052583831 in words is "forty-two billion, fifty-two million, five hundred eighty-three thousand, eight hundred thirty-one".

Divisors: 1 457 92018783 42052583831