Base | Representation |
---|---|
bin | 111011010111100… |
… | …1110110011110111 |
3 | 12010211110210202020 |
4 | 1312233032303313 |
5 | 13034433433134 |
6 | 525401244223 |
7 | 100236340035 |
oct | 16657166367 |
9 | 5124423666 |
10 | 1992092919 |
11 | 932536993 |
12 | 477193673 |
13 | 25993930b |
14 | 14c7db555 |
15 | b9d4eb49 |
hex | 76bcecf7 |
1992092919 has 8 divisors (see below), whose sum is σ = 2658863232. Its totient is φ = 1326692280.
The previous prime is 1992092909. The next prime is 1992092923. The reversal of 1992092919 is 9192902991.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1992092919 - 213 = 1992084727 is a prime.
It is a super-2 number, since 2×19920929192 = 7936868395859881122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1992092909) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339019 + ... + 344844.
It is an arithmetic number, because the mean of its divisors is an integer number (332357904).
Almost surely, 21992092919 is an apocalyptic number.
1992092919 is a deficient number, since it is larger than the sum of its proper divisors (666770313).
1992092919 is an equidigital number, since it uses as much as digits as its factorization.
1992092919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 684837.
The product of its (nonzero) digits is 236196, while the sum is 51.
The square root of 1992092919 is about 44632.8681466921. The cubic root of 1992092919 is about 1258.2584739798.
The spelling of 1992092919 in words is "one billion, nine hundred ninety-two million, ninety-two thousand, nine hundred nineteen".
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