Base | Representation |
---|---|
bin | 100111010000001… |
… | …1010111110001100 |
3 | 10101210101201121210 |
4 | 1032200122332030 |
5 | 10144140400212 |
6 | 334410254420 |
7 | 44432231430 |
oct | 11640327614 |
9 | 3353351553 |
10 | 1317121932 |
11 | 616532225 |
12 | 309127410 |
13 | 17cb513b9 |
14 | c6cda9c0 |
15 | 7a97353c |
hex | 4e81af8c |
1317121932 has 48 divisors (see below), whose sum is σ = 3518323200. Its totient is φ = 375677952.
The previous prime is 1317121919. The next prime is 1317121951. The reversal of 1317121932 is 2391217131.
It is a self number, because there is not a number n which added to its sum of digits gives 1317121932.
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, 37228 + ... + 63404.
It is an arithmetic number, because the mean of its divisors is an integer number (73298400).
Almost surely, 21317121932 is an apocalyptic number.
1317121932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1317121932 is an abundant number, since it is smaller than the sum of its proper divisors (2201201268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1317121932 is a wasteful number, since it uses less digits than its factorization.
1317121932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26790 (or 26788 counting only the distinct ones).
The product of its digits is 2268, while the sum is 30.
The square root of 1317121932 is about 36292.1745284021. The cubic root of 1317121932 is about 1096.1634754910.
The spelling of 1317121932 in words is "one billion, three hundred seventeen million, one hundred twenty-one thousand, nine hundred thirty-two".
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