Base | Representation |
---|---|
bin | 10010101001111110… |
… | …100100111000101101 |
3 | 1220201001000212102220 |
4 | 102221332210320231 |
5 | 312011043411301 |
6 | 13111415105553 |
7 | 1306254661236 |
oct | 225176447055 |
9 | 56631025386 |
10 | 20031622701 |
11 | 854a368692 |
12 | 3a706722b9 |
13 | 1b730ca3ac |
14 | d8059808d |
15 | 7c3915936 |
hex | 4a9fa4e2d |
20031622701 has 8 divisors (see below), whose sum is σ = 27085011264. Its totient is φ = 13166324640.
The previous prime is 20031622679. The next prime is 20031622789. The reversal of 20031622701 is 10722613002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20031622701 - 25 = 20031622669 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20031629701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47022376 + ... + 47022801.
It is an arithmetic number, because the mean of its divisors is an integer number (3385626408).
Almost surely, 220031622701 is an apocalyptic number.
It is an amenable number.
20031622701 is a deficient number, since it is larger than the sum of its proper divisors (7053388563).
20031622701 is an equidigital number, since it uses as much as digits as its factorization.
20031622701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94045251.
The product of its (nonzero) digits is 1008, while the sum is 24.
The spelling of 20031622701 in words is "twenty billion, thirty-one million, six hundred twenty-two thousand, seven hundred one".
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