Base | Representation |
---|---|
bin | 1011011110101010… |
… | …1000110111101011 |
3 | 21221202012202002110 |
4 | 2313222220313223 |
5 | 22302320023404 |
6 | 1225433133403 |
7 | 136234351506 |
oct | 26752506753 |
9 | 7852182073 |
10 | 3081407979 |
11 | 1341413471 |
12 | 71bb5a263 |
13 | 3a1518740 |
14 | 21335813d |
15 | 1307c4b89 |
hex | b7aa8deb |
3081407979 has 16 divisors (see below), whose sum is σ = 4444439552. Its totient is φ = 1887742368.
The previous prime is 3081407971. The next prime is 3081407999. The reversal of 3081407979 is 9797041803.
It is not a de Polignac number, because 3081407979 - 23 = 3081407971 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3081407971) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168457 + ... + 185850.
It is an arithmetic number, because the mean of its divisors is an integer number (277777472).
Almost surely, 23081407979 is an apocalyptic number.
3081407979 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
3081407979 is a deficient number, since it is larger than the sum of its proper divisors (1363031573).
3081407979 is a wasteful number, since it uses less digits than its factorization.
3081407979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 354546.
The product of its (nonzero) digits is 381024, while the sum is 48.
The square root of 3081407979 is about 55510.4312629617. The cubic root of 3081407979 is about 1455.1789404516.
The spelling of 3081407979 in words is "three billion, eighty-one million, four hundred seven thousand, nine hundred seventy-nine".
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