Base | Representation |
---|---|
bin | 100101111010010… |
… | …1010011011101010 |
3 | 10021122200012022211 |
4 | 1023310222123222 |
5 | 10101124041430 |
6 | 330121235334 |
7 | 43344433060 |
oct | 11364523352 |
9 | 3248605284 |
10 | 1272096490 |
11 | 5a3079a15 |
12 | 2b6032b4a |
13 | 173718322 |
14 | c0d3a030 |
15 | 76a2c72a |
hex | 4bd2a6ea |
1272096490 has 32 divisors (see below), whose sum is σ = 2640908160. Its totient is φ = 432143424.
The previous prime is 1272096461. The next prime is 1272096503. The reversal of 1272096490 is 946902721.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75732 + ... + 90991.
It is an arithmetic number, because the mean of its divisors is an integer number (82528380).
Almost surely, 21272096490 is an apocalyptic number.
1272096490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1272096490 is an abundant number, since it is smaller than the sum of its proper divisors (1368811670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1272096490 is a wasteful number, since it uses less digits than its factorization.
1272096490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166846.
The product of its (nonzero) digits is 54432, while the sum is 40.
The square root of 1272096490 is about 35666.4616972304. The cubic root of 1272096490 is about 1083.5276993007.
The spelling of 1272096490 in words is "one billion, two hundred seventy-two million, ninety-six thousand, four hundred ninety".
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