Search a number
-
+
1315051512 = 2331011134801
BaseRepresentation
bin100111001100010…
…0001011111111000
310101122111112112120
41032120201133320
510143123122022
6334254041240
744405516265
oct11630413770
93348445476
101315051512
11615348735
123084a9220
1317c5a7bb8
14c691c26c
157a6b4d5c
hex4e6217f8

1315051512 has 64 divisors (see below), whose sum is σ = 3350259360. Its totient is φ = 430080000.

The previous prime is 1315051483. The next prime is 1315051523. The reversal of 1315051512 is 2151505131.

1315051512 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13150515122 = 3458720958426972288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271512 + ... + 276312.

Almost surely, 21315051512 is an apocalyptic number.

1315051512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315051512 is an abundant number, since it is smaller than the sum of its proper divisors (2035207848).

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

1315051512 is a wasteful number, since it uses less digits than its factorization.

1315051512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024 (or 5020 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1315051512 is about 36263.6389790104. The cubic root of 1315051512 is about 1095.5888111566.

Adding to 1315051512 its reverse (2151505131), we get a palindrome (3466556643).

The spelling of 1315051512 in words is "one billion, three hundred fifteen million, fifty-one thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 101 113 202 226 303 339 404 452 606 678 808 904 1212 1356 2424 2712 4801 9602 11413 14403 19204 22826 28806 34239 38408 45652 57612 68478 91304 115224 136956 273912 484901 542513 969802 1085026 1454703 1627539 1939604 2170052 2909406 3255078 3879208 4340104 5818812 6510156 11637624 13020312 54793813 109587626 164381439 219175252 328762878 438350504 657525756 1315051512