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30222213321 = 358785919979
BaseRepresentation
bin11100001001011000…
…100110000011001001
32220000020102111202010
4130021120212003021
5443343341311241
621514530530133
72116635401046
oct341130460311
986006374663
1030222213321
11118a9719203
125a35436949
132b08429081
141669b701cd
15bbd3bed16
hex7096260c9

30222213321 has 16 divisors (see below), whose sum is σ = 40413945600. Its totient is φ = 20089397328.

The previous prime is 30222213313. The next prime is 30222213397. The reversal of 30222213321 is 12331222203.

It is a happy number.

It is not a de Polignac number, because 30222213321 - 23 = 30222213313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30222215321) 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, 1502710 + ... + 1522688.

It is an arithmetic number, because the mean of its divisors is an integer number (2525871600).

Almost surely, 230222213321 is an apocalyptic number.

It is an amenable number.

30222213321 is a deficient number, since it is larger than the sum of its proper divisors (10191732279).

30222213321 is a wasteful number, since it uses less digits than its factorization.

30222213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21428.

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

Adding to 30222213321 its reverse (12331222203), we get a palindrome (42553435524).

The spelling of 30222213321 in words is "thirty billion, two hundred twenty-two million, two hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 3 587 859 1761 2577 19979 59937 504233 1512699 11727673 17161961 35183019 51485883 10074071107 30222213321