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506142632431 = 1493396930419
BaseRepresentation
bin1110101110110000111…
…00111010100111101111
31210101102221122202211101
413113120130322213233
531243040003214211
61024304013103531
751365454250612
oct7273034724757
91711387582741
10506142632431
11185721359127
1282116187ba7
1338962936117
141a6d6d60179
15d2750425c1
hex75d873a9ef

506142632431 has 4 divisors (see below), whose sum is σ = 509539563000. Its totient is φ = 502745701864.

The previous prime is 506142632371. The next prime is 506142632473. The reversal of 506142632431 is 134236241605.

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 506142632431 - 229 = 505605761519 is a prime.

It is a super-2 number, since 2×5061426324312 (a number of 24 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 (506142632231) 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, 1698465061 + ... + 1698465358.

It is an arithmetic number, because the mean of its divisors is an integer number (127384890750).

Almost surely, 2506142632431 is an apocalyptic number.

506142632431 is a deficient number, since it is larger than the sum of its proper divisors (3396930569).

506142632431 is a wasteful number, since it uses less digits than its factorization.

506142632431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396930568.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 506142632431 in words is "five hundred six billion, one hundred forty-two million, six hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 149 3396930419 506142632431