Base | Representation |
---|---|
bin | 1001001001010011101100… |
… | …10100101000110000111010 |
3 | 2122012121001200221112010111 |
4 | 10210221312110220300322 |
5 | 10113444333113014320 |
6 | 110434513112534534 |
7 | 4143654605325460 |
oct | 444516624506072 |
9 | 78177050845114 |
10 | 20111022001210 |
11 | 6454044698848 |
12 | 23097986b144a |
13 | b2b5cc45208a |
14 | 4d7543078830 |
15 | 24d201a58a5a |
hex | 124a76528c3a |
20111022001210 has 32 divisors (see below), whose sum is σ = 41394765265920. Its totient is φ = 6891287542272.
The previous prime is 20111022001177. The next prime is 20111022001219. The reversal of 20111022001210 is 1210022011102.
It is not an unprimeable number, because it can be changed into a prime (20111022001219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81542679 + ... + 81788938.
It is an arithmetic number, because the mean of its divisors is an integer number (1293586414560).
Almost surely, 220111022001210 is an apocalyptic number.
20111022001210 is an abundant number, since it is smaller than the sum of its proper divisors (21283743264710).
20111022001210 is a wasteful number, since it uses less digits than its factorization.
20111022001210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163333390.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 20111022001210 its reverse (1210022011102), we get a palindrome (21321044012312).
The spelling of 20111022001210 in words is "twenty trillion, one hundred eleven billion, twenty-two million, one thousand, two hundred ten".
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