Base | Representation |
---|---|
bin | 10110101111100100… |
… | …11101000010001000 |
3 | 1011111221202120210120 |
4 | 23113302131002020 |
5 | 200001311342102 |
6 | 5335340143240 |
7 | 611403341634 |
oct | 132762350210 |
9 | 34457676716 |
10 | 12210262152 |
11 | 51a6413750 |
12 | 2449237b20 |
13 | 11c78a2aba |
14 | 83b911dc4 |
15 | 4b6e556bc |
hex | 2d7c9d088 |
12210262152 has 128 divisors (see below), whose sum is σ = 34674030720. Its totient is φ = 3550464000.
The previous prime is 12210262147. The next prime is 12210262159. The reversal of 12210262152 is 25126201221.
It is a super-2 number, since 2×122102621522 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (12210262159) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651018 + ... + 669510.
It is an arithmetic number, because the mean of its divisors is an integer number (270890865).
Almost surely, 212210262152 is an apocalyptic number.
12210262152 is a gapful number since it is divisible by the number (12) 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 12210262152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17337015360).
12210262152 is an abundant number, since it is smaller than the sum of its proper divisors (22463768568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210262152 is a wasteful number, since it uses less digits than its factorization.
12210262152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18615 (or 18611 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
Adding to 12210262152 its reverse (25126201221), we get a palindrome (37336463373).
The spelling of 12210262152 in words is "twelve billion, two hundred ten million, two hundred sixty-two thousand, one hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •