Search a number
-
+
30220012101 = 313972470053
BaseRepresentation
bin11100001001010000…
…001100101001000101
32220000002021200020110
4130021100030221011
5443342310341401
621514411423233
72116610602356
oct341120145105
986002250213
1030220012101
11118a8455414
125a34754b19
132b07b38186
141669759d2d
15bbd0d79d6
hex70940ca45

30220012101 has 8 divisors (see below), whose sum is σ = 40583230240. Its totient is φ = 20001734352.

The previous prime is 30220012099. The next prime is 30220012103. The reversal of 30220012101 is 10121002203.

It is an interprime number because it is at equal distance from previous prime (30220012099) and next prime (30220012103).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30220012101 - 21 = 30220012099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36234610 + ... + 36235443.

It is an arithmetic number, because the mean of its divisors is an integer number (5072903780).

Almost surely, 230220012101 is an apocalyptic number.

It is an amenable number.

30220012101 is a deficient number, since it is larger than the sum of its proper divisors (10363218139).

30220012101 is a wasteful number, since it uses less digits than its factorization.

30220012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72470195.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30220012101 its reverse (10121002203), we get a palindrome (40341014304).

The spelling of 30220012101 in words is "thirty billion, two hundred twenty million, twelve thousand, one hundred one".

Divisors: 1 3 139 417 72470053 217410159 10073337367 30220012101