Search a number
-
+
4851331812 = 2233371214047
BaseRepresentation
bin1001000010010100…
…10111001011100100
3110112002122012011000
410201022113023210
534413420104222
62121220513300
7231135432345
oct44112271344
913462565130
104851331812
11206a4a5438
12b3484b830
135c4107c52
143404420cc
151d5d8b9ac
hex1212972e4

4851331812 has 48 divisors (see below), whose sum is σ = 12917470720. Its totient is φ = 1573403616.

The previous prime is 4851331799. The next prime is 4851331819. The reversal of 4851331812 is 2181331584.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4851331819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603028 + ... + 611019.

Almost surely, 24851331812 is an apocalyptic number.

It is an amenable number.

4851331812 is an abundant number, since it is smaller than the sum of its proper divisors (8066138908).

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

4851331812 is a wasteful number, since it uses less digits than its factorization.

4851331812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214097 (or 1214089 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 4851331812 is about 69651.5025825000. The cubic root of 4851331812 is about 1692.8572061071.

The spelling of 4851331812 in words is "four billion, eight hundred fifty-one million, three hundred thirty-one thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 37 54 74 108 111 148 222 333 444 666 999 1332 1998 3996 1214047 2428094 3642141 4856188 7284282 10926423 14568564 21852846 32779269 43705692 44919739 65558538 89839478 131117076 134759217 179678956 269518434 404277651 539036868 808555302 1212832953 1617110604 2425665906 4851331812