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30121331322 = 239209545143
BaseRepresentation
bin11100000011010111…
…110000101001111010
32212202012121011122210
4130003113300221322
5443142030100242
621500524355550
72114302043325
oct340327605172
985665534583
1030121331322
1111857785055
125a076a5bb6
132ac0566c94
14165a5cd7bc
15bb45e3d9c
hex7035f0a7a

30121331322 has 16 divisors (see below), whose sum is σ = 60249314880. Its totient is φ = 10039335072.

The previous prime is 30121331309. The next prime is 30121331327. The reversal of 30121331322 is 22313312103.

It is not an unprimeable number, because it can be changed into a prime (30121331327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217318 + ... + 327825.

It is an arithmetic number, because the mean of its divisors is an integer number (3765582180).

Almost surely, 230121331322 is an apocalyptic number.

30121331322 is an abundant number, since it is smaller than the sum of its proper divisors (30127983558).

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

30121331322 is a wasteful number, since it uses less digits than its factorization.

30121331322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554357.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30121331322 its reverse (22313312103), we get a palindrome (52434643425).

The spelling of 30121331322 in words is "thirty billion, one hundred twenty-one million, three hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9209 18418 27627 55254 545143 1090286 1635429 3270858 5020221887 10040443774 15060665661 30121331322