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30221001322 = 215110500661
BaseRepresentation
bin11100001001010011…
…111110001001101010
32220000011010221012021
4130021103332021222
5443343034020242
621514444535054
72116622162401
oct341123761152
986004127167
1030221001322
11118a8a70656
125a34b5148a
132b080c3505
141669936638
15bbd230b67
hex7094fe26a

30221001322 has 4 divisors (see below), whose sum is σ = 45331501986. Its totient is φ = 15110500660.

The previous prime is 30221001301. The next prime is 30221001329. The reversal of 30221001322 is 22310012203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19652955721 + 10568045601 = 140189^2 + 102801^2 .

It is a super-3 number, since 3×302210013223 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30221001296 and 30221001305.

It is not an unprimeable number, because it can be changed into a prime (30221001329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7555250329 + ... + 7555250332.

Almost surely, 230221001322 is an apocalyptic number.

30221001322 is a deficient number, since it is larger than the sum of its proper divisors (15110500664).

30221001322 is a wasteful number, since it uses less digits than its factorization.

30221001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15110500663.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30221001322 its reverse (22310012203), we get a palindrome (52531013525).

The spelling of 30221001322 in words is "thirty billion, two hundred twenty-one million, one thousand, three hundred twenty-two".

Divisors: 1 2 15110500661 30221001322