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30323222121 = 3192918344357
BaseRepresentation
bin11100001111011001…
…111010011001101001
32220021021111021202210
4130033121322121221
5444100221101441
621532535515333
72122303064253
oct341731723151
986237437683
1030323222121
1111950739655
125a63228b49
132b23333aaa
141679344cd3
15bc71c3616
hex70f67a669

30323222121 has 16 divisors (see below), whose sum is σ = 44026459200. Its totient is φ = 18491110848.

The previous prime is 30323222119. The next prime is 30323222123. The reversal of 30323222121 is 12122232303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30323222119) and next prime (30323222123).

It is not a de Polignac number, because 30323222121 - 21 = 30323222119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30323222123) 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, 9170526 + ... + 9173831.

It is an arithmetic number, because the mean of its divisors is an integer number (2751653700).

Almost surely, 230323222121 is an apocalyptic number.

It is an amenable number.

30323222121 is a deficient number, since it is larger than the sum of its proper divisors (13703237079).

30323222121 is a wasteful number, since it uses less digits than its factorization.

30323222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18344408.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30323222121 its reverse (12122232303), we get a palindrome (42445454424).

The spelling of 30323222121 in words is "thirty billion, three hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 3 19 29 57 87 551 1653 18344357 55033071 348542783 531986353 1045628349 1595959059 10107740707 30323222121