Base | Representation |
---|---|
bin | 10010101111010111… |
… | …110001001111101001 |
3 | 1220221100022020210111 |
4 | 102233113301033221 |
5 | 312202230104001 |
6 | 13124410414321 |
7 | 1311434065324 |
oct | 225727611751 |
9 | 56840266714 |
10 | 20122113001 |
11 | 8596454361 |
12 | 3a96a313a1 |
13 | 1b88a91553 |
14 | d8c5d17bb |
15 | 7cb83c851 |
hex | 4af5f13e9 |
20122113001 has 4 divisors (see below), whose sum is σ = 21181171600. Its totient is φ = 19063054404.
The previous prime is 20122112999. The next prime is 20122113049. The reversal of 20122113001 is 10031122102.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20122113001 - 21 = 20122112999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20122113071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529529271 + ... + 529529308.
It is an arithmetic number, because the mean of its divisors is an integer number (5295292900).
Almost surely, 220122113001 is an apocalyptic number.
It is an amenable number.
20122113001 is a deficient number, since it is larger than the sum of its proper divisors (1059058599).
20122113001 is a wasteful number, since it uses less digits than its factorization.
20122113001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1059058598.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 20122113001 its reverse (10031122102), we get a palindrome (30153235103).
The spelling of 20122113001 in words is "twenty billion, one hundred twenty-two million, one hundred thirteen thousand, one".
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