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3102123212213 = 11471270431803
BaseRepresentation
bin101101001001000100111…
…100111011110110110101
3101222120010022002222022012
4231021010330323312311
5401311122020242323
610333032402214005
7440056335144464
oct55110474736665
911876108088265
103102123212213
11a9666a754613
12421266954305
131966b5196a1c
14aa201d269db
1555a6007d678
hex2d244f3bdb5

3102123212213 has 4 divisors (see below), whose sum is σ = 3102393655488. Its totient is φ = 3101852768940.

The previous prime is 3102123212161. The next prime is 3102123212267. The reversal of 3102123212213 is 3122123212013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3102123212213 - 212 = 3102123208117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102123212113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135204431 + ... + 135227372.

It is an arithmetic number, because the mean of its divisors is an integer number (775598413872).

Almost surely, 23102123212213 is an apocalyptic number.

It is an amenable number.

3102123212213 is a deficient number, since it is larger than the sum of its proper divisors (270443275).

3102123212213 is a wasteful number, since it uses less digits than its factorization.

3102123212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270443274.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3102123212213 its reverse (3122123212013), we get a palindrome (6224246424226).

The spelling of 3102123212213 in words is "three trillion, one hundred two billion, one hundred twenty-three million, two hundred twelve thousand, two hundred thirteen".

Divisors: 1 11471 270431803 3102123212213