Base | Representation |
---|---|
bin | 10010101000001111… |
… | …01000101001011000 |
3 | 221211000001201201020 |
4 | 21110013220221120 |
5 | 130440303102412 |
6 | 4332224522440 |
7 | 502560662211 |
oct | 112407505130 |
9 | 27730051636 |
10 | 10001222232 |
11 | 427247a321 |
12 | 1b31480420 |
13 | c350278a1 |
14 | 6ac3a0408 |
15 | 3d805018c |
hex | 2541e8a58 |
10001222232 has 64 divisors (see below), whose sum is σ = 25825013760. Its totient is φ = 3224275200.
The previous prime is 10001222207. The next prime is 10001222233. The reversal of 10001222232 is 23222210001.
It is a happy number.
It is a super-2 number, since 2×100012222322 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10001222233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770132 + ... + 1775772.
It is an arithmetic number, because the mean of its divisors is an integer number (403515840).
Almost surely, 210001222232 is an apocalyptic number.
10001222232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10001222232 is an abundant number, since it is smaller than the sum of its proper divisors (15823791528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10001222232 is a wasteful number, since it uses less digits than its factorization.
10001222232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8064 (or 8060 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 10001222232 its reverse (23222210001), we get a palindrome (33223432233).
The spelling of 10001222232 in words is "ten billion, one million, two hundred twenty-two thousand, two hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •