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9712634405057 = 611240912831293
BaseRepresentation
bin1000110101010110011000…
…0111111010000011000001
31021101112000012011111120022
42031111212013322003001
52233112433401430212
632353531143023225
72021500064161043
oct215254607720301
937345005144508
109712634405057
113105117a062a1
12110a45973ab15
13555b88a4504c
14258145d89a93
1511c9aba6b772
hex8d5661fa0c1

9712634405057 has 8 divisors (see below), whose sum is σ = 9872654229480. Its totient is φ = 9552640268160.

The previous prime is 9712634404981. The next prime is 9712634405087. The reversal of 9712634405057 is 7505044362179.

It can be written as a sum of positive squares in 4 ways, for example, as 2625320240656 + 7087314164401 = 1620284^2 + 2662201^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9712634405057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9712634405087) 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, 5658698 + ... + 7172595.

It is an arithmetic number, because the mean of its divisors is an integer number (1234081778685).

Almost surely, 29712634405057 is an apocalyptic number.

It is an amenable number.

9712634405057 is a deficient number, since it is larger than the sum of its proper divisors (160019824423).

9712634405057 is a wasteful number, since it uses less digits than its factorization.

9712634405057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12843763.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 9712634405057 in words is "nine trillion, seven hundred twelve billion, six hundred thirty-four million, four hundred five thousand, fifty-seven".

Divisors: 1 61 12409 756949 12831293 782708873 159223514837 9712634405057