Search a number
-
+
122220323022 = 23717171176923
BaseRepresentation
bin111000111010011100…
…1100010000011001110
3102200110202002201002110
41301310321202003032
54000301400314042
6132051445404450
711554506414240
oct1616471420316
9380422081073
10122220323022
1147919205726
121b82b409726
13b6aa1b3185
145cb6194090
1532a4d8909c
hex1c74e620ce

122220323022 has 32 divisors (see below), whose sum is σ = 295793724672. Its totient is φ = 32865969024.

The previous prime is 122220322981. The next prime is 122220323023. The reversal of 122220323022 is 220323022221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 122220323022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220323023) 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, 85587748 + ... + 85589175.

It is an arithmetic number, because the mean of its divisors is an integer number (9243553896).

Almost surely, 2122220323022 is an apocalyptic number.

122220323022 is an abundant number, since it is smaller than the sum of its proper divisors (173573401650).

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

122220323022 is a wasteful number, since it uses less digits than its factorization.

122220323022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171176952.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 122220323022 its reverse (220323022221), we get a palindrome (342543345243).

The spelling of 122220323022 in words is "one hundred twenty-two billion, two hundred twenty million, three hundred twenty-three thousand, twenty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 171176923 342353846 513530769 1027061538 1198238461 2396476922 2910007691 3594715383 5820015382 7189430766 8730023073 17460046146 20370053837 40740107674 61110161511 122220323022