Base | Representation |
---|---|
bin | 10010110101110100… |
… | …010000101100100011 |
3 | 1221012212202221020002 |
4 | 102311310100230203 |
5 | 312412420321110 |
6 | 13143232210215 |
7 | 1314216150401 |
oct | 226564205443 |
9 | 57185687202 |
10 | 20230245155 |
11 | 864149a67a |
12 | 3b0709996b |
13 | 1ba52c1683 |
14 | d9cadc471 |
15 | 7d609baa5 |
hex | 4b5d10b23 |
20230245155 has 16 divisors (see below), whose sum is σ = 25644967200. Its totient is φ = 15277812480.
The previous prime is 20230245127. The next prime is 20230245179. The reversal of 20230245155 is 55154203202.
It is not a de Polignac number, because 20230245155 - 226 = 20163136291 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352220 + ... + 405609.
It is an arithmetic number, because the mean of its divisors is an integer number (1602810450).
Almost surely, 220230245155 is an apocalyptic number.
20230245155 is a deficient number, since it is larger than the sum of its proper divisors (5414722045).
20230245155 is a wasteful number, since it uses less digits than its factorization.
20230245155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 758134.
The product of its (nonzero) digits is 12000, while the sum is 29.
Adding to 20230245155 its reverse (55154203202), we get a palindrome (75384448357).
The spelling of 20230245155 in words is "twenty billion, two hundred thirty million, two hundred forty-five thousand, one hundred fifty-five".
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