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357854139161 is a prime number
BaseRepresentation
bin1010011010100011100…
…01001101001100011001
31021012200110200210210222
411031101301031030121
521330341124423121
6432221304045425
734565646665111
oct5152161151431
91235613623728
10357854139161
11128846372352
1259430763875
132798cb3184c
141346aa0c041
15949683b0ab
hex5351c4d319

357854139161 has 2 divisors, whose sum is σ = 357854139162. Its totient is φ = 357854139160.

The previous prime is 357854139151. The next prime is 357854139259. The reversal of 357854139161 is 161931458753.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350915249161 + 6938890000 = 592381^2 + 83300^2 .

It is a cyclic number.

It is not a de Polignac number, because 357854139161 - 234 = 340674269977 is a prime.

It is not a weakly prime, because it can be changed into another prime (357854139101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178927069580 + 178927069581.

It is an arithmetic number, because the mean of its divisors is an integer number (178927069581).

Almost surely, 2357854139161 is an apocalyptic number.

It is an amenable number.

357854139161 is a deficient number, since it is larger than the sum of its proper divisors (1).

357854139161 is an equidigital number, since it uses as much as digits as its factorization.

357854139161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 53.

The spelling of 357854139161 in words is "three hundred fifty-seven billion, eight hundred fifty-four million, one hundred thirty-nine thousand, one hundred sixty-one".