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1250101157 is a prime number
BaseRepresentation
bin100101010000011…
…0000011110100101
310020010021201101212
41022200300132211
510030011214112
6324014001205
742656453534
oct11240603645
93203251355
101250101157
11591716558
122aa7a6205
1316bcb6936
14bc05231b
1574b35522
hex4a8307a5

1250101157 has 2 divisors, whose sum is σ = 1250101158. Its totient is φ = 1250101156.

The previous prime is 1250101147. The next prime is 1250101207. The reversal of 1250101157 is 7511010521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1065304321 + 184796836 = 32639^2 + 13594^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250101157 - 24 = 1250101141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250101147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625050578 + 625050579.

It is an arithmetic number, because the mean of its divisors is an integer number (625050579).

Almost surely, 21250101157 is an apocalyptic number.

It is an amenable number.

1250101157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250101157 is an equidigital number, since it uses as much as digits as its factorization.

1250101157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 1250101157 is about 35356.7696063993. The cubic root of 1250101157 is about 1077.2464023855.

Adding to 1250101157 its reverse (7511010521), we get a palindrome (8761111678).

The spelling of 1250101157 in words is "one billion, two hundred fifty million, one hundred one thousand, one hundred fifty-seven".