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30220400122 = 21110712837893
BaseRepresentation
bin11100001001010001…
…101011010111111010
32220000010000101111121
4130021101223113322
5443342410300442
621514424015454
72116614106543
oct341121532772
986003011447
1030220400122
11118a869a9a0
125a3490158a
132b07c42983
14166981b4ca
15bbd162967
hex70946b5fa

30220400122 has 16 divisors (see below), whose sum is σ = 49913731872. Its totient is φ = 13608165520.

The previous prime is 30220400099. The next prime is 30220400123. The reversal of 30220400122 is 22100402203.

It is a super-2 number, since 2×302204001222 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30220400096 and 30220400105.

It is not an unprimeable number, because it can be changed into a prime (30220400123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6416593 + ... + 6421300.

It is an arithmetic number, because the mean of its divisors is an integer number (3119608242).

Almost surely, 230220400122 is an apocalyptic number.

30220400122 is a deficient number, since it is larger than the sum of its proper divisors (19693331750).

30220400122 is a wasteful number, since it uses less digits than its factorization.

30220400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838013.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 30220400122 its reverse (22100402203), we get a palindrome (52320802325).

The spelling of 30220400122 in words is "thirty billion, two hundred twenty million, four hundred thousand, one hundred twenty-two".

Divisors: 1 2 11 22 107 214 1177 2354 12837893 25675786 141216823 282433646 1373654551 2747309102 15110200061 30220400122