Base | Representation |
---|---|
bin | 110010010011000011101111… |
… | …110111110100110100110110 |
3 | 1002000020122220000120001021122 |
4 | 302103003233313310310312 |
5 | 212443314204110031402 |
6 | 2102251222110343542 |
7 | 64411020034354403 |
oct | 6223035767646466 |
9 | 1060218800501248 |
10 | 221212020002102 |
11 | 6453754433aa08 |
12 | 20988455ababb2 |
13 | 96582861a649c |
14 | 3c8aa0c9132aa |
15 | 1a89373ed2ca2 |
hex | c930efdf4d36 |
221212020002102 has 4 divisors (see below), whose sum is σ = 331818030003156. Its totient is φ = 110606010001050.
The previous prime is 221212020002027. The next prime is 221212020002143. The reversal of 221212020002102 is 201200020212122.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55303005000524 + ... + 55303005000527.
It is an arithmetic number, because the mean of its divisors is an integer number (82954507500789).
Almost surely, 2221212020002102 is an apocalyptic number.
221212020002102 is a deficient number, since it is larger than the sum of its proper divisors (110606010001054).
221212020002102 is a wasteful number, since it uses less digits than its factorization.
221212020002102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110606010001053.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 221212020002102 its reverse (201200020212122), we get a palindrome (422412040214224).
The spelling of 221212020002102 in words is "two hundred twenty-one trillion, two hundred twelve billion, twenty million, two thousand, one hundred two".
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