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3331420013 = 28603116471
BaseRepresentation
bin1100011010010001…
…0110111101101101
322121011122200010102
43012210112331231
523310320420023
61310323520445
7145361413535
oct30644267555
98534580112
103331420013
11145a555189
1278b829125
1341126375c
142386384c5
1514770c628
hexc6916f6d

3331420013 has 4 divisors (see below), whose sum is σ = 3331565088. Its totient is φ = 3331274940.

The previous prime is 3331419989. The next prime is 3331420021. The reversal of 3331420013 is 3100241333.

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 an emirpimes, since its reverse is a distinct semiprime: 3100241333 = 7442891619.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3331420013 is a prime.

It is a super-2 number, since 2×33314200132 = 22196718606033840338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331420063) 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, 29633 + ... + 86838.

It is an arithmetic number, because the mean of its divisors is an integer number (832891272).

Almost surely, 23331420013 is an apocalyptic number.

It is an amenable number.

3331420013 is a deficient number, since it is larger than the sum of its proper divisors (145075).

3331420013 is a wasteful number, since it uses less digits than its factorization.

3331420013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145074.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3331420013 is about 57718.4547003816. The cubic root of 3331420013 is about 1493.5157153892.

Adding to 3331420013 its reverse (3100241333), we get a palindrome (6431661346).

The spelling of 3331420013 in words is "three billion, three hundred thirty-one million, four hundred twenty thousand, thirteen".

Divisors: 1 28603 116471 3331420013