Base | Representation |
---|---|
bin | 1001001011111001101000… |
… | …11100001100110110110000 |
3 | 2122112010000110121121220121 |
4 | 10211330310130030312300 |
5 | 10121424311404013013 |
6 | 110543445231220024 |
7 | 4153260403326661 |
oct | 445746434146660 |
9 | 78463013547817 |
10 | 20200111001008 |
11 | 6488901053a04 |
12 | 2322b00377614 |
13 | b36b295c8a83 |
14 | 4db994d95368 |
15 | 2506b7e3458d |
hex | 125f3470cdb0 |
20200111001008 has 40 divisors (see below), whose sum is σ = 41414557084416. Its totient is φ = 9524853307200.
The previous prime is 20200111000999. The next prime is 20200111001009. The reversal of 20200111001008 is 80010011100202.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 20200111000982 and 20200111001000.
It is not an unprimeable number, because it can be changed into a prime (20200111001009) 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, 386534478 + ... + 386586733.
Almost surely, 220200111001008 is an apocalyptic number.
It is an amenable number.
20200111001008 is an abundant number, since it is smaller than the sum of its proper divisors (21214446083408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200111001008 is a wasteful number, since it uses less digits than its factorization.
20200111001008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 773121313 (or 773121307 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
The spelling of 20200111001008 in words is "twenty trillion, two hundred billion, one hundred eleven million, one thousand, eight".
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