Search a number
-
+
13009708633 = 19684721507
BaseRepresentation
bin11000001110111000…
…00110011001011001
31020120200001200012111
430013130012121121
5203120441134013
65550535112321
7640251461455
oct140734063131
936520050174
1013009708633
115576706719
122630b126a1
1312c43c0a5c
148b5b75665
1551221d73d
hex307706659

13009708633 has 4 divisors (see below), whose sum is σ = 13694430160. Its totient is φ = 12324987108.

The previous prime is 13009708631. The next prime is 13009708637. The reversal of 13009708633 is 33680790031.

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 not a de Polignac number, because 13009708633 - 21 = 13009708631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13009708631) 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, 342360735 + ... + 342360772.

It is an arithmetic number, because the mean of its divisors is an integer number (3423607540).

Almost surely, 213009708633 is an apocalyptic number.

It is an amenable number.

13009708633 is a deficient number, since it is larger than the sum of its proper divisors (684721527).

13009708633 is an equidigital number, since it uses as much as digits as its factorization.

13009708633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684721526.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 13009708633 in words is "thirteen billion, nine million, seven hundred eight thousand, six hundred thirty-three".

Divisors: 1 19 684721507 13009708633