Base | Representation |
---|---|
bin | 100100101100101… |
… | …1110011001010000 |
3 | 10011211010100121221 |
4 | 1021121132121100 |
5 | 10010220233424 |
6 | 322105254424 |
7 | 42341565541 |
oct | 11131363120 |
9 | 3154110557 |
10 | 1231414864 |
11 | 582113239 |
12 | 2a4494414 |
13 | 168173464 |
14 | b978a4c8 |
15 | 731939e4 |
hex | 4965e650 |
1231414864 has 10 divisors (see below), whose sum is σ = 2385866330. Its totient is φ = 615707424.
The previous prime is 1231414859. The next prime is 1231414937. The reversal of 1231414864 is 4684141321.
It can be written as a sum of positive squares in only one way, i.e., 800437264 + 430977600 = 28292^2 + 20760^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38481699 + ... + 38481730.
It is an arithmetic number, because the mean of its divisors is an integer number (238586633).
Almost surely, 21231414864 is an apocalyptic number.
It is an amenable number.
1231414864 is a deficient number, since it is larger than the sum of its proper divisors (1154451466).
1231414864 is an equidigital number, since it uses as much as digits as its factorization.
1231414864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76963437 (or 76963431 counting only the distinct ones).
The product of its digits is 18432, while the sum is 34.
The square root of 1231414864 is about 35091.5212551408. The cubic root of 1231414864 is about 1071.8519371137.
The spelling of 1231414864 in words is "one billion, two hundred thirty-one million, four hundred fourteen thousand, eight hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •