Base | Representation |
---|---|
bin | 1100111110110100000… |
… | …1110101001001100011 |
3 | 210022122122111110120022 |
4 | 3033231001311021203 |
5 | 12123221110342011 |
6 | 250242020504055 |
7 | 22053433553000 |
oct | 3175501651143 |
9 | 708578443508 |
10 | 223020012131 |
11 | 86644a8a014 |
12 | 37280b4b02b |
13 | 18052597127 |
14 | ab194dc8a7 |
15 | 5c043d88db |
hex | 33ed075263 |
223020012131 has 64 divisors (see below), whose sum is σ = 283249612800. Its totient is φ = 174810424320.
The previous prime is 223020012091. The next prime is 223020012133. The reversal of 223020012131 is 131210020322.
It is not a de Polignac number, because 223020012131 - 226 = 222952903267 is a prime.
It is a super-2 number, since 2×2230200121312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is not an unprimeable number, because it can be changed into a prime (223020012133) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62873900 + ... + 62877446.
It is an arithmetic number, because the mean of its divisors is an integer number (4425775200).
Almost surely, 2223020012131 is an apocalyptic number.
223020012131 is a deficient number, since it is larger than the sum of its proper divisors (60229600669).
223020012131 is a wasteful number, since it uses less digits than its factorization.
223020012131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3889 (or 3875 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 223020012131 its reverse (131210020322), we get a palindrome (354230032453).
The spelling of 223020012131 in words is "two hundred twenty-three billion, twenty million, twelve thousand, one hundred thirty-one".
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