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316630054421 = 347912478543
BaseRepresentation
bin1001001101110001001…
…11110011011000010101
31010021021111022022201122
410212320213303120111
520141424243220141
6401242520533325
731606250025122
oct4467047633025
91107244268648
10316630054421
1111231145832a
1251446921245
1323b202a43b5
1411479a41749
15838265c64b
hex49b89f3615

316630054421 has 4 divisors (see below), whose sum is σ = 317542533312. Its totient is φ = 315717575532.

The previous prime is 316630054417. The next prime is 316630054451. The reversal of 316630054421 is 124450036613.

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 316630054421 - 22 = 316630054417 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 (316630054451) 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, 456238925 + ... + 456239618.

It is an arithmetic number, because the mean of its divisors is an integer number (79385633328).

Almost surely, 2316630054421 is an apocalyptic number.

It is an amenable number.

316630054421 is a deficient number, since it is larger than the sum of its proper divisors (912478891).

316630054421 is an equidigital number, since it uses as much as digits as its factorization.

316630054421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912478890.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 316630054421 in words is "three hundred sixteen billion, six hundred thirty million, fifty-four thousand, four hundred twenty-one".

Divisors: 1 347 912478543 316630054421