Base | Representation |
---|---|
bin | 11101000111110010001… |
… | …000000110010110110100 |
3 | 21002022111121020222201010 |
4 | 131013302020012112310 |
5 | 230242000313031400 |
6 | 4131203152432220 |
7 | 264404101231266 |
oct | 35076210062664 |
9 | 7068447228633 |
10 | 2001222002100 |
11 | 701793715082 |
12 | 283a25248670 |
13 | 116939790339 |
14 | 6cc06ca9b36 |
15 | 370ca412450 |
hex | 1d1f22065b4 |
2001222002100 has 144 divisors (see below), whose sum is σ = 6246478824768. Its totient is φ = 492790671360.
The previous prime is 2001222002099. The next prime is 2001222002113. The reversal of 2001222002100 is 12002221002.
It is a Harshad number since it is a multiple of its sum of digits (12).
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 47 ways as a sum of consecutive naturals, for example, 3431554 + ... + 3972153.
It is an arithmetic number, because the mean of its divisors is an integer number (43378325172).
Almost surely, 22001222002100 is an apocalyptic number.
2001222002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2001222002100 is an abundant number, since it is smaller than the sum of its proper divisors (4245256822668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001222002100 is a wasteful number, since it uses less digits than its factorization.
2001222002100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7403794 (or 7403787 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 2001222002100 its reverse (12002221002), we get a palindrome (2013224223102).
The spelling of 2001222002100 in words is "two trillion, one billion, two hundred twenty-two million, two thousand, one hundred".
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