Base | Representation |
---|---|
bin | 101010010100011… |
… | …1100100100000111 |
3 | 10122222000111012102 |
4 | 1110220330210013 |
5 | 10402011114400 |
6 | 352523542315 |
7 | 50121653633 |
oct | 12450744407 |
9 | 3588014172 |
10 | 1420019975 |
11 | 669623030 |
12 | 33768a99b |
13 | 19826b00a |
14 | d6843dc3 |
15 | 849eb9d5 |
hex | 54a3c907 |
1420019975 has 24 divisors (see below), whose sum is σ = 1922793600. Its totient is φ = 1031724000.
The previous prime is 1420019927. The next prime is 1420019981. The reversal of 1420019975 is 5799100241.
It is not a de Polignac number, because 1420019975 - 28 = 1420019719 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382880 + ... + 386570.
It is an arithmetic number, because the mean of its divisors is an integer number (80116400).
Almost surely, 21420019975 is an apocalyptic number.
1420019975 is a deficient number, since it is larger than the sum of its proper divisors (502773625).
1420019975 is a wasteful number, since it uses less digits than its factorization.
1420019975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5111 (or 5106 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 38.
The square root of 1420019975 is about 37683.1524026321. The cubic root of 1420019975 is about 1123.9961349457.
The spelling of 1420019975 in words is "one billion, four hundred twenty million, nineteen thousand, nine hundred seventy-five".
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