Base | Representation |
---|---|
bin | 1011011101110100… |
… | …1001001100101101 |
3 | 21221111120000102022 |
4 | 2313131021030231 |
5 | 22300413323011 |
6 | 1225225235525 |
7 | 136162316015 |
oct | 26735111455 |
9 | 7844500368 |
10 | 3077870381 |
11 | 133a417633 |
12 | 71a932ba5 |
13 | 3a087a4a1 |
14 | 212ab6c45 |
15 | 1303268db |
hex | b774932d |
3077870381 has 2 divisors, whose sum is σ = 3077870382. Its totient is φ = 3077870380.
The previous prime is 3077870353. The next prime is 3077870399. The reversal of 3077870381 is 1830787703.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2503501225 + 574369156 = 50035^2 + 23966^2 .
It is an emirp because it is prime and its reverse (1830787703) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3077870381 - 210 = 3077869357 is a prime.
It is a super-2 number, since 2×30778703812 = 18946572164474170322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3077876381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538935190 + 1538935191.
It is an arithmetic number, because the mean of its divisors is an integer number (1538935191).
Almost surely, 23077870381 is an apocalyptic number.
It is an amenable number.
3077870381 is a deficient number, since it is larger than the sum of its proper divisors (1).
3077870381 is an equidigital number, since it uses as much as digits as its factorization.
3077870381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 197568, while the sum is 44.
The square root of 3077870381 is about 55478.5578489564. The cubic root of 3077870381 is about 1454.6218564403.
The spelling of 3077870381 in words is "three billion, seventy-seven million, eight hundred seventy thousand, three hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •