Base | Representation |
---|---|
bin | 100111101110010… |
… | …1000110001001001 |
3 | 10102220002200202221 |
4 | 1033130220301021 |
5 | 10212211011311 |
6 | 340132454041 |
7 | 45013344322 |
oct | 11734506111 |
9 | 3386080687 |
10 | 1332907081 |
11 | 624433900 |
12 | 31247a321 |
13 | 1831ba21c |
14 | c9049449 |
15 | 7c040671 |
hex | 4f728c49 |
1332907081 has 9 divisors (see below), whose sum is σ = 1465537773. Its totient is φ = 1211368620.
The previous prime is 1332907033. The next prime is 1332907097. The reversal of 1332907081 is 1807092331.
The square root of 1332907081 is 36509.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 1332907081 - 29 = 1332906569 is a prime.
It is a super-2 number, since 2×13329070812 = 3553282573159881122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1332907181) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 399940 + ... + 403258.
Almost surely, 21332907081 is an apocalyptic number.
1332907081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1332907081 is the 36509-th square number.
1332907081 is the 18255-th centered octagonal number.
It is an amenable number.
1332907081 is a deficient number, since it is larger than the sum of its proper divisors (132630692).
1332907081 is an frugal number, since it uses more digits than its factorization.
1332907081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6660 (or 3330 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 34.
The cubic root of 1332907081 is about 1100.5251159479.
The spelling of 1332907081 in words is "one billion, three hundred thirty-two million, nine hundred seven thousand, eighty-one".
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