Search a number
-
+
3812285801969 is a prime number
BaseRepresentation
bin110111011110011101111…
…100001110010111110001
3111111110011202022102101022
4313132131330032113301
5444430030131130334
612035201231145225
7542266665436541
oct67363574162761
914443152272338
103812285801969
11123a865a49317
12516a1a975215
1321865cc0a588
14d2730bd5321
156927640d82e
hex3779df0e5f1

3812285801969 has 2 divisors, whose sum is σ = 3812285801970. Its totient is φ = 3812285801968.

The previous prime is 3812285801927. The next prime is 3812285801971. The reversal of 3812285801969 is 9691085822183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3287621712400 + 524664089569 = 1813180^2 + 724337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3812285801969 is a prime.

It is a super-2 number, since 2×38122858019692 (a number of 26 digits) contains 22 as substring.

Together with 3812285801971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3812285801369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906142900984 + 1906142900985.

It is an arithmetic number, because the mean of its divisors is an integer number (1906142900985).

Almost surely, 23812285801969 is an apocalyptic number.

It is an amenable number.

3812285801969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3812285801969 is an equidigital number, since it uses as much as digits as its factorization.

3812285801969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 62.

The spelling of 3812285801969 in words is "three trillion, eight hundred twelve billion, two hundred eighty-five million, eight hundred one thousand, nine hundred sixty-nine".