Search a number
-
+
2312002220 = 2251110509101
BaseRepresentation
bin1000100111001110…
…0101101010101100
312222010102212210212
42021303211222230
514213333032340
61021230121552
7111202460153
oct21163455254
95863385725
102312002220
11a87079540
125463502b8
132aacb8168
1417d0b459a
15d7e92a65
hex89ce5aac

2312002220 has 24 divisors (see below), whose sum is σ = 5296587408. Its totient is φ = 840728000.

The previous prime is 2312002219. The next prime is 2312002241. The reversal of 2312002220 is 222002132.

2312002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2312002195 and 2312002204.

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, 5254331 + ... + 5254770.

It is an arithmetic number, because the mean of its divisors is an integer number (220691142).

Almost surely, 22312002220 is an apocalyptic number.

2312002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312002220 is an abundant number, since it is smaller than the sum of its proper divisors (2984585188).

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

2312002220 is a wasteful number, since it uses less digits than its factorization.

2312002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509121 (or 10509119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2312002220 is about 48083.2842056364. The cubic root of 2312002220 is about 1322.2982269183.

Adding to 2312002220 its reverse (222002132), we get a palindrome (2534004352).

The spelling of 2312002220 in words is "two billion, three hundred twelve million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 10509101 21018202 42036404 52545505 105091010 115600111 210182020 231200222 462400444 578000555 1156001110 2312002220