Base | Representation |
---|---|
bin | 1100010000111101010… |
… | …10001000001110011110 |
3 | 1111021202120020210201110 |
4 | 12020132222020032132 |
5 | 23401032303431410 |
6 | 521333113522450 |
7 | 42306131500425 |
oct | 6103652101636 |
9 | 1437676223643 |
10 | 421421155230 |
11 | 1527a628a379 |
12 | 69811113426 |
13 | 3098059091a |
14 | 1657b1062bc |
15 | ae672d7720 |
hex | 621ea8839e |
421421155230 has 16 divisors (see below), whose sum is σ = 1011410772624. Its totient is φ = 112378974720.
The previous prime is 421421155193. The next prime is 421421155231. The reversal of 421421155230 is 32551124124.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 14047371841 = 421421155230 / (4 + 2 + 1 + 4 + 2 + 1 + 1 + 5 + 5 + 2 + 3 + 0).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (421421155231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7023685891 + ... + 7023685950.
It is an arithmetic number, because the mean of its divisors is an integer number (63213173289).
Almost surely, 2421421155230 is an apocalyptic number.
421421155230 is an abundant number, since it is smaller than the sum of its proper divisors (589989617394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
421421155230 is a wasteful number, since it uses less digits than its factorization.
421421155230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14047371851.
The product of its (nonzero) digits is 9600, while the sum is 30.
Adding to 421421155230 its reverse (32551124124), we get a palindrome (453972279354).
The spelling of 421421155230 in words is "four hundred twenty-one billion, four hundred twenty-one million, one hundred fifty-five thousand, two hundred thirty".
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