Base | Representation |
---|---|
bin | 111101101100011… |
… | …0001110010110101 |
3 | 12100021020121201102 |
4 | 1323120301302311 |
5 | 13214420433411 |
6 | 541225135445 |
7 | 102204333335 |
oct | 17330616265 |
9 | 5307217642 |
10 | 2070092981 |
11 | 972571550 |
12 | 49932a585 |
13 | 26cb492b8 |
14 | 158d030c5 |
15 | c1b0ad3b |
hex | 7b631cb5 |
2070092981 has 4 divisors (see below), whose sum is σ = 2258283264. Its totient is φ = 1881902700.
The previous prime is 2070092977. The next prime is 2070092987. The reversal of 2070092981 is 1892900702.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2070092981 - 22 = 2070092977 is a prime.
It is a super-2 number, since 2×20700929812 = 8570569899970932722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2070092987) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94095125 + ... + 94095146.
It is an arithmetic number, because the mean of its divisors is an integer number (564570816).
Almost surely, 22070092981 is an apocalyptic number.
It is an amenable number.
2070092981 is a deficient number, since it is larger than the sum of its proper divisors (188190283).
2070092981 is a wasteful number, since it uses less digits than its factorization.
2070092981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188190282.
The product of its (nonzero) digits is 18144, while the sum is 38.
The square root of 2070092981 is about 45498.2744837648. The cubic root of 2070092981 is about 1274.4709800180.
The spelling of 2070092981 in words is "two billion, seventy million, ninety-two thousand, nine hundred eighty-one".
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