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42531610551 = 3109112994687
BaseRepresentation
bin100111100111000101…
…001101111110110111
311001210002201200022020
4213213011031332313
51144101043014201
631312212004223
73033654503403
oct474705157667
9131702650266
1042531610551
1117045a92571
1282ab900673
13401a6cba81
1420b68ca103
15118dda8a36
hex9e714dfb7

42531610551 has 8 divisors (see below), whose sum is σ = 56760797184. Its totient is φ = 28328415480.

The previous prime is 42531610529. The next prime is 42531610567. The reversal of 42531610551 is 15501613524.

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

It is not a de Polignac number, because 42531610551 - 213 = 42531602359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42531630551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6494071 + ... + 6500616.

It is an arithmetic number, because the mean of its divisors is an integer number (7095099648).

Almost surely, 242531610551 is an apocalyptic number.

42531610551 is a deficient number, since it is larger than the sum of its proper divisors (14229186633).

42531610551 is a wasteful number, since it uses less digits than its factorization.

42531610551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12995781.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 42531610551 in words is "forty-two billion, five hundred thirty-one million, six hundred ten thousand, five hundred fifty-one".

Divisors: 1 3 1091 3273 12994687 38984061 14177203517 42531610551