Search a number
-
+
1310680256271 = 3436893418757
BaseRepresentation
bin10011000100101010101…
…000011000111100001111
311122022002120010200112020
4103010222220120330033
5132433233121200041
62442041310341223
7163456610233641
oct23045250307417
94568076120466
101310680256271
11465946920871
121920281ba813
139679aa003c9
1447619bc6891
15241618a5866
hex1312aa18f0f

1310680256271 has 4 divisors (see below), whose sum is σ = 1747573675032. Its totient is φ = 873786837512.

The previous prime is 1310680256219. The next prime is 1310680256329. The reversal of 1310680256271 is 1726520860131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1310680256271 is a prime.

It is a super-2 number, since 2×13106802562712 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310680256671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218446709376 + ... + 218446709381.

It is an arithmetic number, because the mean of its divisors is an integer number (436893418758).

Almost surely, 21310680256271 is an apocalyptic number.

1310680256271 is a deficient number, since it is larger than the sum of its proper divisors (436893418761).

1310680256271 is an equidigital number, since it uses as much as digits as its factorization.

1310680256271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436893418760.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 1310680256271 in words is "one trillion, three hundred ten billion, six hundred eighty million, two hundred fifty-six thousand, two hundred seventy-one".

Divisors: 1 3 436893418757 1310680256271