Search a number
-
+
4243199980 = 225712988169
BaseRepresentation
bin1111110011101010…
…0001011111101100
3101221201022220002211
43330322201133230
532142224344410
61541014300204
7210102414265
oct37472413754
911851286084
104243199980
1118881a2a48
129a5057664
13528122c26
142c377d96c
1519c7b468a
hexfcea17ec

4243199980 has 24 divisors (see below), whose sum is σ = 9036226080. Its totient is φ = 1673374080.

The previous prime is 4243199977. The next prime is 4243200029. The reversal of 4243199980 is 899913424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492665 + ... + 1495504.

It is an arithmetic number, because the mean of its divisors is an integer number (376509420).

Almost surely, 24243199980 is an apocalyptic number.

It is an amenable number.

4243199980 is an abundant number, since it is smaller than the sum of its proper divisors (4793026100).

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

4243199980 is a wasteful number, since it uses less digits than its factorization.

4243199980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988249 (or 2988247 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 4243199980 is about 65139.8494011154. The cubic root of 4243199980 is about 1618.9415404600.

The spelling of 4243199980 in words is "four billion, two hundred forty-three million, one hundred ninety-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 2988169 5976338 11952676 14940845 29881690 59763380 212159999 424319998 848639996 1060799995 2121599990 4243199980