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3122012013 = 32621397051
BaseRepresentation
bin1011101000010110…
…0001111101101101
322001120121122100120
42322011201331231
522343213341023
61233443315153
7140236443561
oct27205417555
98046548316
103122012013
11136232691a
1273167bab9
133a9a641b3
142188c76a1
151341458e3
hexba161f6d

3122012013 has 8 divisors (see below), whose sum is σ = 4164281376. Its totient is φ = 2080542000.

The previous prime is 3122012009. The next prime is 3122012017. The reversal of 3122012013 is 3102102213.

It is an interprime number because it is at equal distance from previous prime (3122012009) and next prime (3122012017).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3122012013 - 22 = 3122012009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3122011983 and 3122012001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122012017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190663 + ... + 206388.

It is an arithmetic number, because the mean of its divisors is an integer number (520535172).

Almost surely, 23122012013 is an apocalyptic number.

It is an amenable number.

3122012013 is a deficient number, since it is larger than the sum of its proper divisors (1042269363).

3122012013 is a wasteful number, since it uses less digits than its factorization.

3122012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399675.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3122012013 is about 55874.9676778430. The cubic root of 3122012013 is about 1461.5427510749.

Adding to 3122012013 its reverse (3102102213), we get a palindrome (6224114226).

The spelling of 3122012013 in words is "three billion, one hundred twenty-two million, twelve thousand, thirteen".

Divisors: 1 3 2621 7863 397051 1191153 1040670671 3122012013