Search a number
-
+
13003502172 = 2233134955651
BaseRepresentation
bin11000001110001000…
…11011001001011100
31020120020101100112120
430013010123021130
5203112344032142
65550154102540
7640144642023
oct140704331134
936506340476
1013003502172
115573157711
12262aa1aa50
1312c3029aab
148b4ddb8ba
155118e47ec
hex30711b25c

13003502172 has 24 divisors (see below), whose sum is σ = 31320264192. Its totient is φ = 4194678000.

The previous prime is 13003502167. The next prime is 13003502177. The reversal of 13003502172 is 27120530031.

It is an interprime number because it is at equal distance from previous prime (13003502167) and next prime (13003502177).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003502177) 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, 17477454 + ... + 17478197.

It is an arithmetic number, because the mean of its divisors is an integer number (1305011008).

Almost surely, 213003502172 is an apocalyptic number.

13003502172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13003502172 is an abundant number, since it is smaller than the sum of its proper divisors (18316762020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13003502172 is a wasteful number, since it uses less digits than its factorization.

13003502172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34955689 (or 34955687 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The spelling of 13003502172 in words is "thirteen billion, three million, five hundred two thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 34955651 69911302 104866953 139822604 209733906 419467812 1083625181 2167250362 3250875543 4334500724 6501751086 13003502172