Base | Representation |
---|---|
bin | 10010101001111000… |
… | …110001001000000111 |
3 | 1220200221011111122122 |
4 | 102221320301020013 |
5 | 312010201144400 |
6 | 13111322320155 |
7 | 1306236016634 |
oct | 225170611007 |
9 | 56627144578 |
10 | 20030099975 |
11 | 8549518636 |
12 | 3a7005905b |
13 | 1b729b6282 |
14 | d802bd18b |
15 | 7c3714685 |
hex | 4a9e31207 |
20030099975 has 12 divisors (see below), whose sum is σ = 26298343584. Its totient is φ = 15081486720.
The previous prime is 20030099927. The next prime is 20030099981. The reversal of 20030099975 is 57999003002.
It is not a de Polignac number, because 20030099975 - 212 = 20030095879 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23564399 + ... + 23565248.
It is an arithmetic number, because the mean of its divisors is an integer number (2191528632).
Almost surely, 220030099975 is an apocalyptic number.
20030099975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20030099975 is a deficient number, since it is larger than the sum of its proper divisors (6268243609).
20030099975 is a wasteful number, since it uses less digits than its factorization.
20030099975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47129674 (or 47129669 counting only the distinct ones).
The product of its (nonzero) digits is 153090, while the sum is 44.
The spelling of 20030099975 in words is "twenty billion, thirty million, ninety-nine thousand, nine hundred seventy-five".
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