Base | Representation |
---|---|
bin | 100100000011111… |
… | …0100110111011110 |
3 | 10010022211221012000 |
4 | 1020013310313132 |
5 | 4434230323402 |
6 | 320022423130 |
7 | 41661632106 |
oct | 11007646736 |
9 | 3108757160 |
10 | 1210011102 |
11 | 571024283 |
12 | 299291aa6 |
13 | 1638bb101 |
14 | b69b8206 |
15 | 71366c1c |
hex | 481f4dde |
1210011102 has 32 divisors (see below), whose sum is σ = 2690215200. Its totient is φ = 403141824.
The previous prime is 1210011083. The next prime is 1210011107. The reversal of 1210011102 is 2011100121.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1210011107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145924 + ... + 153992.
It is an arithmetic number, because the mean of its divisors is an integer number (84069225).
Almost surely, 21210011102 is an apocalyptic number.
1210011102 is an abundant number, since it is smaller than the sum of its proper divisors (1480204098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210011102 is a wasteful number, since it uses less digits than its factorization.
1210011102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10857 (or 10851 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
The square root of 1210011102 is about 34785.2138415161. The cubic root of 1210011102 is about 1065.6054957969.
Adding to 1210011102 its reverse (2011100121), we get a palindrome (3221111223).
The spelling of 1210011102 in words is "one billion, two hundred ten million, eleven thousand, one hundred two".
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