Base | Representation |
---|---|
bin | 10001110010010110000… |
… | …000010101011001101000 |
3 | 11022211221022100102121111 |
4 | 101302112000111121220 |
5 | 130011221032211440 |
6 | 2333302220320104 |
7 | 154210264216330 |
oct | 21622600253150 |
9 | 4284838312544 |
10 | 1222287382120 |
11 | 4314073a9162 |
12 | 178a796a3034 |
13 | 8b351b3a48c |
14 | 432325160c0 |
15 | 21bdb6844ea |
hex | 11c96015668 |
1222287382120 has 32 divisors (see below), whose sum is σ = 3143024697600. Its totient is φ = 419069959488.
The previous prime is 1222287382117. The next prime is 1222287382177. The reversal of 1222287382120 is 212837822221.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182655760 + ... + 2182656319.
It is an arithmetic number, because the mean of its divisors is an integer number (98219521800).
Almost surely, 21222287382120 is an apocalyptic number.
1222287382120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1222287382120 is an abundant number, since it is smaller than the sum of its proper divisors (1920737315480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222287382120 is a wasteful number, since it uses less digits than its factorization.
1222287382120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4365312097 (or 4365312093 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 40.
The spelling of 1222287382120 in words is "one trillion, two hundred twenty-two billion, two hundred eighty-seven million, three hundred eighty-two thousand, one hundred twenty".
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