Search a number
-
+
9770885384 = 2313537124967
BaseRepresentation
bin10010001100110001…
…11110000100001000
3221012221122101221212
421012120332010020
5130002321313014
64253315552252
7464063104211
oct110630760410
927187571855
109770885384
114164456897
121a882bb688
13bc93ab1b0
14689962408
153c2c0223e
hex24663e108

9770885384 has 64 divisors (see below), whose sum is σ = 20385872640. Its totient is φ = 4362059520.

The previous prime is 9770885359. The next prime is 9770885387. The reversal of 9770885384 is 4835880779.

It is not an unprimeable number, because it can be changed into a prime (9770885387) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 378869 + ... + 403835.

It is an arithmetic number, because the mean of its divisors is an integer number (318529260).

Almost surely, 29770885384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9770885384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10192936320).

9770885384 is an abundant number, since it is smaller than the sum of its proper divisors (10614987256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9770885384 is a wasteful number, since it uses less digits than its factorization.

9770885384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25110 (or 25106 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 59.

The square root of 9770885384 is about 98847.7889686967. The cubic root of 9770885384 is about 2137.8536566729.

The spelling of 9770885384 in words is "nine billion, seven hundred seventy million, eight hundred eighty-five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 26 52 53 71 104 106 142 212 284 424 568 689 923 1378 1846 2756 3692 3763 5512 7384 7526 15052 24967 30104 48919 49934 97838 99868 195676 199736 324571 391352 649142 1298284 1323251 1772657 2596568 2646502 3545314 5293004 7090628 10586008 14181256 17202263 23044541 34404526 46089082 68809052 92178164 93950821 137618104 184356328 187901642 375803284 751606568 1221360673 2442721346 4885442692 9770885384