Search a number
-
+
313030321312 = 2510196853441
BaseRepresentation
bin1001000111000100000…
…11111010010010100000
31002220222121202221020011
410203202003322102200
520112041230240222
6355445410054304
731421116554322
oct4434203722240
91086877687204
10313030321312
11110834501595
125080127a394
13236985888c7
1411217921612
1582215eec77
hex48e20fa4a0

313030321312 has 24 divisors (see below), whose sum is σ = 622380218292. Its totient is φ = 154965504000.

The previous prime is 313030321301. The next prime is 313030321327. The reversal of 313030321312 is 213123030313.

It can be written as a sum of positive squares in 2 ways, for example, as 257897402896 + 55132918416 = 507836^2 + 234804^2 .

It is a super-2 number, since 2×3130303213122 (a number of 24 digits) contains 22 as substring.

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, 48423489 + ... + 48429952.

Almost surely, 2313030321312 is an apocalyptic number.

313030321312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

313030321312 is a deficient number, since it is larger than the sum of its proper divisors (309349896980).

313030321312 is a wasteful number, since it uses less digits than its factorization.

313030321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96853552 (or 96853544 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 313030321312 its reverse (213123030313), we get a palindrome (526153351625).

The spelling of 313030321312 in words is "three hundred thirteen billion, thirty million, three hundred twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 101 202 404 808 1616 3232 96853441 193706882 387413764 774827528 1549655056 3099310112 9782197541 19564395082 39128790164 78257580328 156515160656 313030321312