Base | Representation |
---|---|
bin | 10010100111000101… |
… | …000110010101111011 |
3 | 1220120122112121221111 |
4 | 102213011012111323 |
5 | 311411122012310 |
6 | 13102521021151 |
7 | 1305124464001 |
oct | 224705062573 |
9 | 56518477844 |
10 | 19983000955 |
11 | 8524979425 |
12 | 3a583247b7 |
13 | 1b66005428 |
14 | d77d3ca71 |
15 | 7be50e28a |
hex | 4a714657b |
19983000955 has 16 divisors (see below), whose sum is σ = 24084049824. Its totient is φ = 15916919040.
The previous prime is 19983000949. The next prime is 19983000997. The reversal of 19983000955 is 55900038991.
It is a happy number.
It is not a de Polignac number, because 19983000955 - 211 = 19982998907 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 19983000899 and 19983000908.
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, 1108615 + ... + 1126495.
It is an arithmetic number, because the mean of its divisors is an integer number (1505253114).
Almost surely, 219983000955 is an apocalyptic number.
19983000955 is the 89405-th heptagonal number.
19983000955 is a deficient number, since it is larger than the sum of its proper divisors (4101048869).
19983000955 is a wasteful number, since it uses less digits than its factorization.
19983000955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18846.
The product of its (nonzero) digits is 437400, while the sum is 49.
The spelling of 19983000955 in words is "nineteen billion, nine hundred eighty-three million, nine hundred fifty-five", and thus it is an aban number.
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