Base | Representation |
---|---|
bin | 10101100011011000… |
… | …100100000101000101 |
3 | 2012201211011120220000 |
4 | 111203120210011011 |
5 | 334343402020401 |
6 | 14344214031513 |
7 | 1446325424310 |
oct | 254330440505 |
9 | 65654146800 |
10 | 23142220101 |
11 | 98a61a8540 |
12 | 459a348599 |
13 | 224a695b80 |
14 | 119774d977 |
15 | 906a54186 |
hex | 563624145 |
23142220101 has 80 divisors (see below), whose sum is σ = 46416467328. Its totient is φ = 11097129600.
The previous prime is 23142220051. The next prime is 23142220169. The reversal of 23142220101 is 10102224132.
It is a happy number.
23142220101 is a `hidden beast` number, since 231 + 422 + 2 + 0 + 10 + 1 = 666.
It is not a de Polignac number, because 23142220101 - 217 = 23142089029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23142222101) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 61630 + ... + 223791.
Almost surely, 223142220101 is an apocalyptic number.
23142220101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
23142220101 is an abundant number, since it is smaller than the sum of its proper divisors (23274247227).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23142220101 is a wasteful number, since it uses less digits than its factorization.
23142220101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285464 (or 285455 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 23142220101 its reverse (10102224132), we get a palindrome (33244444233).
The spelling of 23142220101 in words is "twenty-three billion, one hundred forty-two million, two hundred twenty thousand, one hundred one".
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