Search a number
-
+
8630393956 = 224583470783
BaseRepresentation
bin10000000100110100…
…10101110001100100
3211021110121102211121
420002122111301210
5120133340101311
63544215143324
7423604065262
oct100232256144
924243542747
108630393956
1137296a5798
12180a374b44
13a770210b2
145bc2c3432
15357a1db71
hex202695c64

8630393956 has 12 divisors (see below), whose sum is σ = 15106516992. Its totient is φ = 4314246248.

The previous prime is 8630393953. The next prime is 8630393957. The reversal of 8630393956 is 6593930368.

It is a super-2 number, since 2×86303939562 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8630393953) 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 3 ways as a sum of consecutive naturals, for example, 217060 + ... + 253723.

It is an arithmetic number, because the mean of its divisors is an integer number (1258876416).

Almost surely, 28630393956 is an apocalyptic number.

It is an amenable number.

8630393956 is a deficient number, since it is larger than the sum of its proper divisors (6476123036).

8630393956 is a wasteful number, since it uses less digits than its factorization.

8630393956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475370 (or 475368 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 52.

The square root of 8630393956 is about 92899.9136490449. The cubic root of 8630393956 is about 2051.2103862195.

The spelling of 8630393956 in words is "eight billion, six hundred thirty million, three hundred ninety-three thousand, nine hundred fifty-six".

Divisors: 1 2 4 4583 9166 18332 470783 941566 1883132 2157598489 4315196978 8630393956