Base | Representation |
---|---|
bin | 10101100100101000… |
… | …010111111101110000 |
3 | 2012210021112112100011 |
4 | 111210220113331300 |
5 | 334414231021000 |
6 | 14350242304304 |
7 | 1450001313145 |
oct | 254450277560 |
9 | 65707475304 |
10 | 23163142000 |
11 | 9906a98469 |
12 | 45a5358094 |
13 | 2251b0caab |
14 | 119a4383cc |
15 | 9087d82ba |
hex | 564a17f70 |
23163142000 has 80 divisors (see below), whose sum is σ = 56683684512. Its totient is φ = 9153561600.
The previous prime is 23163141959. The next prime is 23163142001. The reversal of 23163142000 is 24136132.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×231631420002 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23163142001) 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, 96232 + ... + 235768.
Almost surely, 223163142000 is an apocalyptic number.
23163142000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23163142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28341842256).
23163142000 is an abundant number, since it is smaller than the sum of its proper divisors (33520542512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23163142000 is a wasteful number, since it uses less digits than its factorization.
23163142000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139643 (or 139627 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 23163142000 its reverse (24136132), we get a palindrome (23187278132).
The spelling of 23163142000 in words is "twenty-three billion, one hundred sixty-three million, one hundred forty-two thousand".
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