Base | Representation |
---|---|
bin | 10010101111010111… |
… | …011101000001101110 |
3 | 1220221100011001012102 |
4 | 102233113131001232 |
5 | 312202214431230 |
6 | 13124404535102 |
7 | 1311433302023 |
oct | 225727350156 |
9 | 56840131172 |
10 | 20122030190 |
11 | 85963a8119 |
12 | 3a969b1492 |
13 | 1b88a62952 |
14 | d8c5ad54a |
15 | 7cb823045 |
hex | 4af5dd06e |
20122030190 has 16 divisors (see below), whose sum is σ = 37468608480. Its totient is φ = 7771266720.
The previous prime is 20122030189. The next prime is 20122030207. The reversal of 20122030190 is 9103022102.
It is a super-2 number, since 2×201220301902 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34692866 + ... + 34693445.
It is an arithmetic number, because the mean of its divisors is an integer number (2341788030).
Almost surely, 220122030190 is an apocalyptic number.
20122030190 is a deficient number, since it is larger than the sum of its proper divisors (17346578290).
20122030190 is a wasteful number, since it uses less digits than its factorization.
20122030190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69386347.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 20122030190 its reverse (9103022102), we get a palindrome (29225052292).
The spelling of 20122030190 in words is "twenty billion, one hundred twenty-two million, thirty thousand, one hundred ninety".
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