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45000407657 is a prime number
BaseRepresentation
bin101001111010001110…
…111011101001101001
311022011011012120021002
4221322032323221221
51214130101021112
632401202524345
73152103103532
oct517216735151
9138134176232
1045000407657
11180a2614357
12887a6666b5
13432202486a
14226c737689
1512859be1c2
hexa7a3bba69

45000407657 has 2 divisors, whose sum is σ = 45000407658. Its totient is φ = 45000407656.

The previous prime is 45000407567. The next prime is 45000407659. The reversal of 45000407657 is 75670400054.

Together with previous prime (45000407567) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33994509376 + 11005898281 = 184376^2 + 104909^2 .

It is a cyclic number.

It is not a de Polignac number, because 45000407657 - 224 = 44983630441 is a prime.

Together with 45000407659, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45000407657.

It is not a weakly prime, because it can be changed into another prime (45000407659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500203828 + 22500203829.

It is an arithmetic number, because the mean of its divisors is an integer number (22500203829).

Almost surely, 245000407657 is an apocalyptic number.

It is an amenable number.

45000407657 is a deficient number, since it is larger than the sum of its proper divisors (1).

45000407657 is an equidigital number, since it uses as much as digits as its factorization.

45000407657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 45000407657 in words is "forty-five billion, four hundred seven thousand, six hundred fifty-seven".