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30220032122 = 2719131128371
BaseRepresentation
bin11100001001010000…
…010001100001111010
32220000002022200200222
4130021100101201322
5443342312011442
621514412100042
72116611014630
oct341120214172
986002280628
1030220032122
11118a8469465
125a34764622
132b07b44317
141669763350
15bbd0dd8d2
hex70941187a

30220032122 has 16 divisors (see below), whose sum is σ = 51832896192. Its totient is φ = 12944660640.

The previous prime is 30220032119. The next prime is 30220032137. The reversal of 30220032122 is 22123002203.

It is a self number, because there is not a number n which added to its sum of digits gives 30220032122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537404 + ... + 590967.

It is an arithmetic number, because the mean of its divisors is an integer number (3239556012).

Almost surely, 230220032122 is an apocalyptic number.

30220032122 is a deficient number, since it is larger than the sum of its proper divisors (21612864070).

30220032122 is a wasteful number, since it uses less digits than its factorization.

30220032122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130293.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30220032122 its reverse (22123002203), we get a palindrome (52343034325).

The spelling of 30220032122 in words is "thirty billion, two hundred twenty million, thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 7 14 1913 3826 13391 26782 1128371 2256742 7898597 15797194 2158573723 4317147446 15110016061 30220032122