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30421023222 = 236104383059
BaseRepresentation
bin11100010101001110…
…111111100111110110
32220112002112002122210
4130111032333213312
5444300240220342
621550352034250
72124601300542
oct342516774766
986462462583
1030421023222
11119a0969007
125a8bb32986
132b3a687775
141688322a22
15bd0a9179c
hex7153bf9f6

30421023222 has 16 divisors (see below), whose sum is σ = 60843775680. Its totient is φ = 10140052872.

The previous prime is 30421023187. The next prime is 30421023233. The reversal of 30421023222 is 22232012403.

It is a super-2 number, since 2×304210232222 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324729 + ... + 407787.

It is an arithmetic number, because the mean of its divisors is an integer number (3802735980).

Almost surely, 230421023222 is an apocalyptic number.

30421023222 is an abundant number, since it is smaller than the sum of its proper divisors (30422752458).

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

30421023222 is a wasteful number, since it uses less digits than its factorization.

30421023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144107.

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

Adding to 30421023222 its reverse (22232012403), we get a palindrome (52653035625).

The spelling of 30421023222 in words is "thirty billion, four hundred twenty-one million, twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 61043 83059 122086 166118 183129 249177 366258 498354 5070170537 10140341074 15210511611 30421023222