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159312639313 is a prime number
BaseRepresentation
bin1001010001011111000…
…1011111010101010001
3120020012202211121101201
42110113301133111101
510102233013424223
6201104234431201
714336626043122
oct2242761372521
9506182747351
10159312639313
1161622916983
1226a61592501
131203ba34519
1479d450a049
154226464ead
hex2517c5f551

159312639313 has 2 divisors, whose sum is σ = 159312639314. Its totient is φ = 159312639312.

The previous prime is 159312639301. The next prime is 159312639331. The reversal of 159312639313 is 313936213951.

Together with next prime (159312639331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124996188304 + 34316451009 = 353548^2 + 185247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-159312639313 is a prime.

It is a super-2 number, since 2×1593126393132 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159382639313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79656319656 + 79656319657.

It is an arithmetic number, because the mean of its divisors is an integer number (79656319657).

Almost surely, 2159312639313 is an apocalyptic number.

It is an amenable number.

159312639313 is a deficient number, since it is larger than the sum of its proper divisors (1).

159312639313 is an equidigital number, since it uses as much as digits as its factorization.

159312639313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393660, while the sum is 46.

The spelling of 159312639313 in words is "one hundred fifty-nine billion, three hundred twelve million, six hundred thirty-nine thousand, three hundred thirteen".