Base | Representation |
---|---|
bin | 10010100111000010… |
… | …00010001001111101 |
3 | 221210022000121212121 |
4 | 21103201002021331 |
5 | 130430210244401 |
6 | 4331224002541 |
7 | 502405655320 |
oct | 112341021175 |
9 | 27708017777 |
10 | 9991103101 |
11 | 4267798701 |
12 | 1b2a000451 |
13 | c32bc3a35 |
14 | 6aacc87b7 |
15 | 3d7201ca1 |
hex | 25384227d |
9991103101 has 8 divisors (see below), whose sum is σ = 11914856064. Its totient is φ = 8191463280.
The previous prime is 9991103071. The next prime is 9991103107. The reversal of 9991103101 is 1013011999.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 9991103101 - 219 = 9990578813 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9991103107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31028110 + ... + 31028431.
It is an arithmetic number, because the mean of its divisors is an integer number (1489357008).
Almost surely, 29991103101 is an apocalyptic number.
It is an amenable number.
9991103101 is a deficient number, since it is larger than the sum of its proper divisors (1923752963).
9991103101 is a wasteful number, since it uses less digits than its factorization.
9991103101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62056571.
The product of its (nonzero) digits is 2187, while the sum is 34.
The square root of 9991103101 is about 99955.5056062446. The cubic root of 9991103101 is about 2153.7955741948.
The spelling of 9991103101 in words is "nine billion, nine hundred ninety-one million, one hundred three thousand, one hundred one".
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