Base | Representation |
---|---|
bin | 111111000010100… |
… | …1100110000110100 |
3 | 12110102021222102000 |
4 | 1332011030300310 |
5 | 13313003322322 |
6 | 545522015300 |
7 | 103263454455 |
oct | 17605146064 |
9 | 5412258360 |
10 | 2115292212 |
11 | 996033390 |
12 | 4b04a7530 |
13 | 2793134c7 |
14 | 160d0b12c |
15 | c5a883ac |
hex | 7e14cc34 |
2115292212 has 48 divisors (see below), whose sum is σ = 5982648000. Its totient is φ = 640997280.
The previous prime is 2115292189. The next prime is 2115292237. The reversal of 2115292212 is 2122925112.
It is a happy number.
It is a super-2 number, since 2×21152922122 = 8948922284295705888, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889087 + ... + 891462.
It is an arithmetic number, because the mean of its divisors is an integer number (124638500).
Almost surely, 22115292212 is an apocalyptic number.
2115292212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2115292212 is an abundant number, since it is smaller than the sum of its proper divisors (3867355788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2115292212 is a wasteful number, since it uses less digits than its factorization.
2115292212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1780573 (or 1780565 counting only the distinct ones).
The product of its digits is 1440, while the sum is 27.
The square root of 2115292212 is about 45992.3060087228. The cubic root of 2115292212 is about 1283.6800451801.
The spelling of 2115292212 in words is "two billion, one hundred fifteen million, two hundred ninety-two thousand, two hundred twelve".
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