Base | Representation |
---|---|
bin | 10111001000111101… |
… | …10010100110100110 |
3 | 1012001210110112021212 |
4 | 23210132302212212 |
5 | 200420320231210 |
6 | 5412424311422 |
7 | 616600361210 |
oct | 134436624646 |
9 | 35053415255 |
10 | 12423211430 |
11 | 52a5640693 |
12 | 24a8612572 |
13 | 122ca421a6 |
14 | 85bd055b0 |
15 | 4ca9bb805 |
hex | 2e47b29a6 |
12423211430 has 16 divisors (see below), whose sum is σ = 25556320800. Its totient is φ = 4259386752.
The previous prime is 12423211331. The next prime is 12423211441. The reversal of 12423211430 is 3411232421.
It is a junction number, because it is equal to n+sod(n) for n = 12423211396 and 12423211405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88737155 + ... + 88737294.
It is an arithmetic number, because the mean of its divisors is an integer number (1597270050).
Almost surely, 212423211430 is an apocalyptic number.
12423211430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12423211430 is an abundant number, since it is smaller than the sum of its proper divisors (13133109370).
12423211430 is a wasteful number, since it uses less digits than its factorization.
12423211430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 177474463.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 12423211430 its reverse (3411232421), we get a palindrome (15834443851).
The spelling of 12423211430 in words is "twelve billion, four hundred twenty-three million, two hundred eleven thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •