Base | Representation |
---|---|
bin | 1011100110001010… |
… | …1100110000000100 |
3 | 22000221102202011200 |
4 | 2321202230300010 |
5 | 22333344144111 |
6 | 1232515502500 |
7 | 140066024160 |
oct | 27142546004 |
9 | 8027382150 |
10 | 3112881156 |
11 | 135815a760 |
12 | 72a5b7a30 |
13 | 3a7bb8118 |
14 | 2175cbca0 |
15 | 133440256 |
hex | b98acc04 |
3112881156 has 144 divisors (see below), whose sum is σ = 9829572480. Its totient is φ = 806952960.
The previous prime is 3112881143. The next prime is 3112881221. The reversal of 3112881156 is 6511882113.
3112881156 is a `hidden beast` number, since 311 + 288 + 11 + 56 = 666.
3112881156 is a nontrivial binomial coefficient, being equal to C(78904, 2).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 3112881156.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2208580 + ... + 2209988.
It is an arithmetic number, because the mean of its divisors is an integer number (68260920).
Almost surely, 23112881156 is an apocalyptic number.
3112881156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
3112881156 is the 78903-rd triangular number and also the 39452-nd hexagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3112881156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4914786240).
3112881156 is an abundant number, since it is smaller than the sum of its proper divisors (6716691324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3112881156 is a wasteful number, since it uses less digits than its factorization.
3112881156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2234 (or 2229 counting only the distinct ones).
The product of its digits is 11520, while the sum is 36.
The square root of 3112881156 is about 55793.1999082325. The cubic root of 3112881156 is about 1460.1165160029.
The spelling of 3112881156 in words is "three billion, one hundred twelve million, eight hundred eighty-one thousand, one hundred fifty-six".
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