Search a number
-
+
4012263660 = 2235312157131
BaseRepresentation
bin1110111100100110…
…0100100011101100
3101100121210010000210
43233021210203230
531204114414120
61502044422420
7201266451456
oct35711444354
911317703023
104012263660
111779900089
1293b847a10
134bc326712
142a0c272d6
15187398ce0
hexef2648ec

4012263660 has 48 divisors (see below), whose sum is σ = 11596741632. Its totient is φ = 1035422400.

The previous prime is 4012263643. The next prime is 4012263667. The reversal of 4012263660 is 663622104.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4012263667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076706 + ... + 1080425.

It is an arithmetic number, because the mean of its divisors is an integer number (241598784).

Almost surely, 24012263660 is an apocalyptic number.

It is an amenable number.

4012263660 is an abundant number, since it is smaller than the sum of its proper divisors (7584477972).

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

4012263660 is a wasteful number, since it uses less digits than its factorization.

4012263660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157174 (or 2157172 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 4012263660 is about 63342.4317499731. The cubic root of 4012263660 is about 1589.0216757620.

Adding to 4012263660 its reverse (663622104), we get a palindrome (4675885764).

The spelling of 4012263660 in words is "four billion, twelve million, two hundred sixty-three thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 2157131 4314262 6471393 8628524 10785655 12942786 21571310 25885572 32356965 43142620 64713930 66871061 129427860 133742122 200613183 267484244 334355305 401226366 668710610 802452732 1003065915 1337421220 2006131830 4012263660