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2402412013 = 13118339023
BaseRepresentation
bin1000111100110001…
…1110010111101101
320012102120011201201
42033030132113231
514410004141023
61034220005501
7113351110441
oct21714362755
96172504651
102402412013
11102310a781
12570690891
132c3951791
1418b0ca821
15e0da0bad
hex8f31e5ed

2402412013 has 4 divisors (see below), whose sum is σ = 2420751168. Its totient is φ = 2384072860.

The previous prime is 2402412007. The next prime is 2402412017. The reversal of 2402412013 is 3102142042.

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: 3102142042 = 21551071021.

It is a cyclic number.

It is not a de Polignac number, because 2402412013 - 25 = 2402411981 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 (2402412017) 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, 9169381 + ... + 9169642.

It is an arithmetic number, because the mean of its divisors is an integer number (605187792).

Almost surely, 22402412013 is an apocalyptic number.

It is an amenable number.

2402412013 is a deficient number, since it is larger than the sum of its proper divisors (18339155).

2402412013 is a wasteful number, since it uses less digits than its factorization.

2402412013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18339154.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2402412013 is about 49014.4061781840. The cubic root of 2402412013 is about 1339.3142724863.

Adding to 2402412013 its reverse (3102142042), we get a palindrome (5504554055).

The spelling of 2402412013 in words is "two billion, four hundred two million, four hundred twelve thousand, thirteen".

Divisors: 1 131 18339023 2402412013