Search a number
-
+
9961414945 = 517671749151
BaseRepresentation
bin10010100011011111…
…10010000100100001
3221201020011022101021
421101233302010201
5130400110234240
64324243405441
7501565426036
oct112157620441
927636138337
109961414945
114251a60539
121b20083881
13c299ca991
146a6d9b38d
153d47da54a
hex251bf2121

9961414945 has 16 divisors (see below), whose sum is σ = 12845772288. Its totient is φ = 7388409600.

The previous prime is 9961414937. The next prime is 9961414963. The reversal of 9961414945 is 5494141699.

9961414945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9961414945 - 23 = 9961414937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9961414892 and 9961414901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868881 + ... + 880270.

It is an arithmetic number, because the mean of its divisors is an integer number (802860768).

Almost surely, 29961414945 is an apocalyptic number.

It is an amenable number.

9961414945 is a deficient number, since it is larger than the sum of its proper divisors (2884357343).

9961414945 is a wasteful number, since it uses less digits than its factorization.

9961414945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749240.

The product of its digits is 1399680, while the sum is 52.

The square root of 9961414945 is about 99806.8882642877. Note that the first 3 decimals coincide. The cubic root of 9961414945 is about 2151.6601524096.

The spelling of 9961414945 in words is "nine billion, nine hundred sixty-one million, four hundred fourteen thousand, nine hundred forty-five".

Divisors: 1 5 17 67 85 335 1139 5695 1749151 8745755 29735567 117193117 148677835 585965585 1992282989 9961414945