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315128153 is a prime number
BaseRepresentation
bin10010110010000…
…111100101011001
3210221222011120002
4102302013211121
51121133100103
651134142345
710544354654
oct2262074531
9727864502
10315128153
1115197749a
12896519b5
1350396882
142dbd089b
151c9eb488
hex12c87959

315128153 has 2 divisors, whose sum is σ = 315128154. Its totient is φ = 315128152.

The previous prime is 315128147. The next prime is 315128159. The reversal of 315128153 is 351821513.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (315128147) and next prime (315128159).

It can be written as a sum of positive squares in only one way, i.e., 278489344 + 36638809 = 16688^2 + 6053^2 .

It is a cyclic number.

It is not a de Polignac number, because 315128153 - 224 = 298350937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (315128159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157564076 + 157564077.

It is an arithmetic number, because the mean of its divisors is an integer number (157564077).

Almost surely, 2315128153 is an apocalyptic number.

It is an amenable number.

315128153 is a deficient number, since it is larger than the sum of its proper divisors (1).

315128153 is an equidigital number, since it uses as much as digits as its factorization.

315128153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 29.

The square root of 315128153 is about 17751.8492839479. The cubic root of 315128153 is about 680.5014704943.

Adding to 315128153 its reverse (351821513), we get a palindrome (666949666).

The spelling of 315128153 in words is "three hundred fifteen million, one hundred twenty-eight thousand, one hundred fifty-three".