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3111939394001 = 16686191864979
BaseRepresentation
bin101101010010001110000…
…010101100100111010001
3102000111110101222200020122
4231102032002230213101
5401441222441102001
610341334421120025
7440554521256334
oct55221602544721
912014411880218
103111939394001
11a9a847729249
12423146259015
131975baa74409
14aa8938ba61b
1555e36c2bb1b
hex2d48e0ac9d1

3111939394001 has 4 divisors (see below), whose sum is σ = 3111942927600. Its totient is φ = 3111935860404.

The previous prime is 3111939393947. The next prime is 3111939394051. The reversal of 3111939394001 is 1004939391113.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3111939394001 - 234 = 3094759524817 is a prime.

It is a super-2 number, since 2×31119393940012 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111939394051) 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, 736130 + ... + 2601108.

It is an arithmetic number, because the mean of its divisors is an integer number (777985731900).

Almost surely, 23111939394001 is an apocalyptic number.

It is an amenable number.

3111939394001 is a deficient number, since it is larger than the sum of its proper divisors (3533599).

3111939394001 is a wasteful number, since it uses less digits than its factorization.

3111939394001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533598.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 3111939394001 in words is "three trillion, one hundred eleven billion, nine hundred thirty-nine million, three hundred ninety-four thousand, one".

Divisors: 1 1668619 1864979 3111939394001