Base | Representation |
---|---|
bin | 111010101011110… |
… | …0010110011000000 |
3 | 12002020012221210000 |
4 | 1311113202303000 |
5 | 13013042343422 |
6 | 523220440000 |
7 | 66540061101 |
oct | 16527426300 |
9 | 5066187700 |
10 | 1969106112 |
11 | 920566626 |
12 | 46b549000 |
13 | 254c4b55c |
14 | 1497363a8 |
15 | b7d0dcac |
hex | 755e2cc0 |
1969106112 has 140 divisors (see below), whose sum is σ = 6025830976. Its totient is φ = 635143680.
The previous prime is 1969106063. The next prime is 1969106123. The reversal of 1969106112 is 2116019691.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 154578 + ... + 166830.
Almost surely, 21969106112 is an apocalyptic number.
1969106112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1969106112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3012915488).
1969106112 is an abundant number, since it is smaller than the sum of its proper divisors (4056724864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1969106112 is a wasteful number, since it uses less digits than its factorization.
1969106112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12308 (or 12289 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 36.
The square root of 1969106112 is about 44374.6111194228. The cubic root of 1969106112 is about 1253.4000472511.
The spelling of 1969106112 in words is "one billion, nine hundred sixty-nine million, one hundred six thousand, one hundred twelve".
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