Search a number
-
+
30221031010 = 2523811162017
BaseRepresentation
bin11100001001010100…
…000101011001100010
32220000011012102220211
4130021110011121202
5443343040443020
621514445324334
72116622345062
oct341124053142
986004172824
1030221031010
11118a8a90995
125a34b666aa
132b08103b91
1416699433a2
15bbd23985a
hex709505662

30221031010 has 32 divisors (see below), whose sum is σ = 56833322112. Its totient is φ = 11548500480.

The previous prime is 30221031007. The next prime is 30221031011. The reversal of 30221031010 is 1013012203.

It is not an unprimeable number, because it can be changed into a prime (30221031011) 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, 105522 + ... + 267538.

It is an arithmetic number, because the mean of its divisors is an integer number (1776041316).

Almost surely, 230221031010 is an apocalyptic number.

30221031010 is a deficient number, since it is larger than the sum of its proper divisors (26612291102).

30221031010 is a wasteful number, since it uses less digits than its factorization.

30221031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162858.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30221031010 its reverse (1013012203), we get a palindrome (31234043213).

The spelling of 30221031010 in words is "thirty billion, two hundred twenty-one million, thirty-one thousand, ten".

Divisors: 1 2 5 10 23 46 115 230 811 1622 4055 8110 18653 37306 93265 162017 186530 324034 810085 1620170 3726391 7452782 18631955 37263910 131395787 262791574 656978935 1313957870 3022103101 6044206202 15110515505 30221031010