Base | Representation |
---|---|
bin | 10010110110100010… |
… | …10110110101011110 |
3 | 222010100211210200012 |
4 | 21123101112311132 |
5 | 131212012224410 |
6 | 4352152403222 |
7 | 505545606314 |
oct | 113321266536 |
9 | 28110753605 |
10 | 10121211230 |
11 | 4324183889 |
12 | 1b656a6512 |
13 | c53b497b0 |
14 | 6c02b60b4 |
15 | 3e3852605 |
hex | 25b456d5e |
10121211230 has 32 divisors (see below), whose sum is σ = 19633096224. Its totient is φ = 3734487936.
The previous prime is 10121211223. The next prime is 10121211257. The reversal of 10121211230 is 3211212101.
It is a super-2 number, since 2×101212112302 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168017 + ... + 220163.
It is an arithmetic number, because the mean of its divisors is an integer number (613534257).
Almost surely, 210121211230 is an apocalyptic number.
10121211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10121211230 is a deficient number, since it is larger than the sum of its proper divisors (9511884994).
10121211230 is a wasteful number, since it uses less digits than its factorization.
10121211230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53660.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 10121211230 its reverse (3211212101), we get a palindrome (13332423331).
The spelling of 10121211230 in words is "ten billion, one hundred twenty-one million, two hundred eleven thousand, two hundred thirty".
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