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3147157464281 is a prime number
BaseRepresentation
bin101101110011000001001…
…100111110010011011001
3102010212100211000000100222
4231303001030332103121
5403030334302324111
610405441214405425
7443242332031145
oct55630114762331
912125324000328
103147157464281
11100377a384756
12429b34800875
1319aa1120b35c
14ac474d50225
1556ce89d57db
hex2dcc133e4d9

3147157464281 has 2 divisors, whose sum is σ = 3147157464282. Its totient is φ = 3147157464280.

The previous prime is 3147157464149. The next prime is 3147157464329. The reversal of 3147157464281 is 1824647517413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2220520199881 + 926637264400 = 1490141^2 + 962620^2 .

It is a cyclic number.

It is not a de Polignac number, because 3147157464281 - 214 = 3147157447897 is a prime.

It is a super-2 number, since 2×31471574642812 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3147157466281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573578732140 + 1573578732141.

It is an arithmetic number, because the mean of its divisors is an integer number (1573578732141).

Almost surely, 23147157464281 is an apocalyptic number.

It is an amenable number.

3147157464281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3147157464281 is an equidigital number, since it uses as much as digits as its factorization.

3147157464281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 53.

The spelling of 3147157464281 in words is "three trillion, one hundred forty-seven billion, one hundred fifty-seven million, four hundred sixty-four thousand, two hundred eighty-one".