Base | Representation |
---|---|
bin | 11010010000100010110… |
… | …100010101001100110110 |
3 | 20101111122122102102100222 |
4 | 122100202310111030312 |
5 | 214031023411023430 |
6 | 3500543503134342 |
7 | 244240313252345 |
oct | 32204264251466 |
9 | 6344578372328 |
10 | 1804470407990 |
11 | 6362a9559348 |
12 | 2518755a43b2 |
13 | 10121245a633 |
14 | 634a03b3b5c |
15 | 31e1224d9e5 |
hex | 1a422d15336 |
1804470407990 has 32 divisors (see below), whose sum is σ = 3393573062400. Its totient is φ = 689528736864.
The previous prime is 1804470407981. The next prime is 1804470408007. The reversal of 1804470407990 is 997040744081.
It is a super-2 number, since 2×18044704079902 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4803440 + ... + 5165459.
It is an arithmetic number, because the mean of its divisors is an integer number (106049158200).
Almost surely, 21804470407990 is an apocalyptic number.
1804470407990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1804470407990 is a deficient number, since it is larger than the sum of its proper divisors (1589102654410).
1804470407990 is a wasteful number, since it uses less digits than its factorization.
1804470407990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9969716.
The product of its (nonzero) digits is 2032128, while the sum is 53.
The spelling of 1804470407990 in words is "one trillion, eight hundred four billion, four hundred seventy million, four hundred seven thousand, nine hundred ninety".
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