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10001670557 is a prime number
BaseRepresentation
bin10010101000010010…
…10110000110011101
3221211000220111200212
421110021112012131
5130440411424212
64332242302205
7502564540244
oct112411260635
927730814625
1010001670557
11427275613a
121b31657965
13c35153978
146ac47995b
153d80dce22
hex25425619d

10001670557 has 2 divisors, whose sum is σ = 10001670558. Its totient is φ = 10001670556.

The previous prime is 10001670521. The next prime is 10001670559. The reversal of 10001670557 is 75507610001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8868742276 + 1132928281 = 94174^2 + 33659^2 .

It is an emirp because it is prime and its reverse (75507610001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10001670557 - 210 = 10001669533 is a prime.

Together with 10001670559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001670559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000835278 + 5000835279.

It is an arithmetic number, because the mean of its divisors is an integer number (5000835279).

Almost surely, 210001670557 is an apocalyptic number.

It is an amenable number.

10001670557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001670557 is an equidigital number, since it uses as much as digits as its factorization.

10001670557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 32.

The spelling of 10001670557 in words is "ten billion, one million, six hundred seventy thousand, five hundred fifty-seven".