Base | Representation |
---|---|
bin | 1001001001100100011011… |
… | …00000111000110001111101 |
3 | 2122020110020110120002120211 |
4 | 10210302031200320301331 |
5 | 10114121230230214401 |
6 | 110443000104312421 |
7 | 4144423244625040 |
oct | 444621540706175 |
9 | 78213213502524 |
10 | 20120001023101 |
11 | 64579320608a1 |
12 | 230b483772711 |
13 | b2c400768995 |
14 | 4d7b5578cc57 |
15 | 24d579e8e951 |
hex | 124c8d838c7d |
20120001023101 has 16 divisors (see below), whose sum is σ = 23056330752000. Its totient is φ = 17199190104048.
The previous prime is 20120001023081. The next prime is 20120001023159. The reversal of 20120001023101 is 10132010002102.
It is a cyclic number.
It is not a de Polignac number, because 20120001023101 - 25 = 20120001023069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120001023701) 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, 31044280 + ... + 31685758.
It is an arithmetic number, because the mean of its divisors is an integer number (1441020672000).
Almost surely, 220120001023101 is an apocalyptic number.
It is an amenable number.
20120001023101 is a deficient number, since it is larger than the sum of its proper divisors (2936329728899).
20120001023101 is a wasteful number, since it uses less digits than its factorization.
20120001023101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 653568.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 20120001023101 its reverse (10132010002102), we get a palindrome (30252011025203).
The spelling of 20120001023101 in words is "twenty trillion, one hundred twenty billion, one million, twenty-three thousand, one hundred one".
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