Base | Representation |
---|---|
bin | 10010100011011101… |
… | …11101110101001001 |
3 | 221201012202102212020 |
4 | 21101232331311021 |
5 | 130400031412334 |
6 | 4324235035053 |
7 | 501563545146 |
oct | 112156756511 |
9 | 27635672766 |
10 | 9961200969 |
11 | 42519247a5 |
12 | 1b1bb9ba89 |
13 | c29954475 |
14 | 6a6d433cd |
15 | 3d4796e49 |
hex | 251bbdd49 |
9961200969 has 8 divisors (see below), whose sum is σ = 13282066560. Its totient is φ = 6640568016.
The previous prime is 9961200959. The next prime is 9961200971. The reversal of 9961200969 is 9690021699.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 9961200969 - 25 = 9961200937 is a prime.
It is a super-2 number, since 2×99612009692 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (9961200959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117847 + ... + 183875.
It is an arithmetic number, because the mean of its divisors is an integer number (1660258320).
Almost surely, 29961200969 is an apocalyptic number.
It is an amenable number.
9961200969 is a deficient number, since it is larger than the sum of its proper divisors (3320865591).
9961200969 is a wasteful number, since it uses less digits than its factorization.
9961200969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116319.
The product of its (nonzero) digits is 472392, while the sum is 51.
The square root of 9961200969 is about 99805.8163084697. The cubic root of 9961200969 is about 2151.6447460665.
The spelling of 9961200969 in words is "nine billion, nine hundred sixty-one million, two hundred thousand, nine hundred sixty-nine".
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