Base | Representation |
---|---|
bin | 111110111100100… |
… | …1110101000010100 |
3 | 12110012101112202211 |
4 | 1331321032220110 |
5 | 13311202413012 |
6 | 545330443204 |
7 | 103225004524 |
oct | 17571165024 |
9 | 5405345684 |
10 | 2112154132 |
11 | 99428a730 |
12 | 4ab433504 |
13 | 27878505a |
14 | 160731684 |
15 | c56686a7 |
hex | 7de4ea14 |
2112154132 has 12 divisors (see below), whose sum is σ = 4032294336. Its totient is φ = 960070040.
The previous prime is 2112154123. The next prime is 2112154201. The reversal of 2112154132 is 2314512112.
It is a super-2 number, since 2×21121541322 = 8922390154649346848, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 24001708 + ... + 24001795.
It is an arithmetic number, because the mean of its divisors is an integer number (336024528).
Almost surely, 22112154132 is an apocalyptic number.
2112154132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2112154132 is a deficient number, since it is larger than the sum of its proper divisors (1920140204).
2112154132 is a wasteful number, since it uses less digits than its factorization.
2112154132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48003518 (or 48003516 counting only the distinct ones).
The product of its digits is 480, while the sum is 22.
The square root of 2112154132 is about 45958.1780752893. The cubic root of 2112154132 is about 1283.0449423301.
Adding to 2112154132 its reverse (2314512112), we get a palindrome (4426666244).
The spelling of 2112154132 in words is "two billion, one hundred twelve million, one hundred fifty-four thousand, one hundred thirty-two".
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