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10120302013 = 23440013131
BaseRepresentation
bin10010110110011011…
…11000110110111101
3222010022010121110111
421123031320312331
5131211244131023
64352121110021
7505535101453
oct113315706675
928108117414
1010120302013
114323712768
121b65328311
13c538bb9b3
146c011a9d3
153e372300d
hex25b378dbd

10120302013 has 4 divisors (see below), whose sum is σ = 10560315168. Its totient is φ = 9680288860.

The previous prime is 10120302007. The next prime is 10120302019. The reversal of 10120302013 is 31020302101.

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 an interprime number because it is at equal distance from previous prime (10120302007) and next prime (10120302019).

It is a cyclic number.

It is not a de Polignac number, because 10120302013 - 25 = 10120301981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120301984 and 10120302002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120302019) 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, 220006543 + ... + 220006588.

It is an arithmetic number, because the mean of its divisors is an integer number (2640078792).

Almost surely, 210120302013 is an apocalyptic number.

It is an amenable number.

10120302013 is a deficient number, since it is larger than the sum of its proper divisors (440013155).

10120302013 is an equidigital number, since it uses as much as digits as its factorization.

10120302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440013154.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10120302013 its reverse (31020302101), we get a palindrome (41140604114).

The spelling of 10120302013 in words is "ten billion, one hundred twenty million, three hundred two thousand, thirteen".

Divisors: 1 23 440013131 10120302013