Search a number
-
+
13011302312 = 238918274301
BaseRepresentation
bin11000001111000100…
…01011011110101000
31020120210001122022122
430013202023132220
5203121343133222
65551033210412
7640301146661
oct140742133650
936523048278
1013011302312
1155775a5008
122631560a08
1312c482b268
148b606c368
15512435a42
hex30788b7a8

13011302312 has 16 divisors (see below), whose sum is σ = 24670307700. Its totient is φ = 6432553600.

The previous prime is 13011302279. The next prime is 13011302323. The reversal of 13011302312 is 21320311031.

It can be written as a sum of positive squares in 2 ways, for example, as 12462149956 + 549152356 = 111634^2 + 23434^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9136439 + ... + 9137862.

Almost surely, 213011302312 is an apocalyptic number.

It is an amenable number.

13011302312 is a deficient number, since it is larger than the sum of its proper divisors (11659005388).

13011302312 is a wasteful number, since it uses less digits than its factorization.

13011302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18274396 (or 18274392 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13011302312 its reverse (21320311031), we get a palindrome (34331613343).

The spelling of 13011302312 in words is "thirteen billion, eleven million, three hundred two thousand, three hundred twelve".

Divisors: 1 2 4 8 89 178 356 712 18274301 36548602 73097204 146194408 1626412789 3252825578 6505651156 13011302312