Base | Representation |
---|---|
bin | 111100100010111111… |
… | …1001110111011101100 |
3 | 110102121112122002121200 |
4 | 1321011333032323230 |
5 | 4112241421114040 |
6 | 135422024525500 |
7 | 12252045105645 |
oct | 1710577167354 |
9 | 412545562550 |
10 | 130023223020 |
11 | 501627a0a09 |
12 | 21248620890 |
13 | c351945c72 |
14 | 64165d26cc |
15 | 35aedee630 |
hex | 1e45fceeec |
130023223020 has 72 divisors (see below), whose sum is σ = 394442848800. Its totient is φ = 34669424640.
The previous prime is 130023223003. The next prime is 130023223021. The reversal of 130023223020 is 20322320031.
It is a happy number.
130023223020 is a `hidden beast` number, since 130 + 0 + 232 + 2 + 302 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 130023222984 and 130023223002.
It is not an unprimeable number, because it can be changed into a prime (130023223021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2159281 + ... + 2218679.
It is an arithmetic number, because the mean of its divisors is an integer number (5478372900).
Almost surely, 2130023223020 is an apocalyptic number.
130023223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130023223020 is an abundant number, since it is smaller than the sum of its proper divisors (264419625780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130023223020 is a wasteful number, since it uses less digits than its factorization.
130023223020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71575 (or 71570 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 130023223020 its reverse (20322320031), we get a palindrome (150345543051).
The spelling of 130023223020 in words is "one hundred thirty billion, twenty-three million, two hundred twenty-three thousand, twenty".
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