Base | Representation |
---|---|
bin | 1010111000011100… |
… | …1001001101111001 |
3 | 21112120120200022222 |
4 | 2232013021031321 |
5 | 21440300431340 |
6 | 1201505253425 |
7 | 132250003601 |
oct | 25607111571 |
9 | 7476520288 |
10 | 2921108345 |
11 | 1269986a31 |
12 | 696334275 |
13 | 37725179c |
14 | 1d9d4bc01 |
15 | 1216ad8b5 |
hex | ae1c9379 |
2921108345 has 16 divisors (see below), whose sum is σ = 3636299520. Its totient is φ = 2251017600.
The previous prime is 2921108321. The next prime is 2921108363. The reversal of 2921108345 is 5438011292.
It is not a de Polignac number, because 2921108345 - 222 = 2916914041 is a prime.
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, 73991 + ... + 106380.
It is an arithmetic number, because the mean of its divisors is an integer number (227268720).
Almost surely, 22921108345 is an apocalyptic number.
It is an amenable number.
2921108345 is a deficient number, since it is larger than the sum of its proper divisors (715191175).
2921108345 is a wasteful number, since it uses less digits than its factorization.
2921108345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180496.
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 2921108345 is about 54047.2787936636. The cubic root of 2921108345 is about 1429.4947185440.
The spelling of 2921108345 in words is "two billion, nine hundred twenty-one million, one hundred eight thousand, three hundred forty-five".
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