Search a number
-
+
12513885957071 is a prime number
BaseRepresentation
bin1011011000011001110110…
…1110100010101111001111
31122022022112020011112010022
42312012131232202233033
53120011414301111241
642340444433332355
72431045521406622
oct266063556425717
948268466145108
1012513885957071
113a95122428384
1214a13371070bb
136ca092629bb5
143139650addb9
1516a7acb5b54b
hexb619dba2bcf

12513885957071 has 2 divisors, whose sum is σ = 12513885957072. Its totient is φ = 12513885957070.

The previous prime is 12513885957043. The next prime is 12513885957073. The reversal of 12513885957071 is 17075958831521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12513885957071 is a prime.

Together with 12513885957073, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12513885956995 and 12513885957013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12513885957073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256942978535 + 6256942978536.

It is an arithmetic number, because the mean of its divisors is an integer number (6256942978536).

Almost surely, 212513885957071 is an apocalyptic number.

12513885957071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513885957071 is an equidigital number, since it uses as much as digits as its factorization.

12513885957071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168000, while the sum is 62.

The spelling of 12513885957071 in words is "twelve trillion, five hundred thirteen billion, eight hundred eighty-five million, nine hundred fifty-seven thousand, seventy-one".