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315152144149 is a prime number
BaseRepresentation
bin1001001011000001000…
…10000001011100010101
31010010110111100200222011
410211200202001130111
520130412422103044
6400440124104221
731524523011613
oct4454042013425
91103414320864
10315152144149
11111723195487
12510b3995071
132394604778b
141137964c6b3
1582e7a28134
hex4960881715

315152144149 has 2 divisors, whose sum is σ = 315152144150. Its totient is φ = 315152144148.

The previous prime is 315152144117. The next prime is 315152144179. The reversal of 315152144149 is 941441251513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300539686225 + 14612457924 = 548215^2 + 120882^2 .

It is a cyclic number.

It is not a de Polignac number, because 315152144149 - 25 = 315152144117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315152144179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157576072074 + 157576072075.

It is an arithmetic number, because the mean of its divisors is an integer number (157576072075).

Almost surely, 2315152144149 is an apocalyptic number.

It is an amenable number.

315152144149 is a deficient number, since it is larger than the sum of its proper divisors (1).

315152144149 is an equidigital number, since it uses as much as digits as its factorization.

315152144149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The spelling of 315152144149 in words is "three hundred fifteen billion, one hundred fifty-two million, one hundred forty-four thousand, one hundred forty-nine".