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30221002102 = 21719237719681
BaseRepresentation
bin11100001001010011…
…111110010101110110
32220000011010222021011
4130021103332111312
5443343034031402
621514444542434
72116622164564
oct341123762566
986004128234
1030221002102
11118a8a711a5
125a34b51a1a
132b080c3985
141669936a34
15bbd230ed7
hex7094fe576

30221002102 has 32 divisors (see below), whose sum is σ = 50548099680. Its totient is φ = 13466787840.

The previous prime is 30221002093. The next prime is 30221002103. The reversal of 30221002102 is 20120012203.

It is a super-3 number, since 3×302210021023 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221002103) 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, 1525702 + ... + 1545382.

It is an arithmetic number, because the mean of its divisors is an integer number (1579628115).

Almost surely, 230221002102 is an apocalyptic number.

30221002102 is a deficient number, since it is larger than the sum of its proper divisors (20327097578).

30221002102 is a wasteful number, since it uses less digits than its factorization.

30221002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22096.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30221002102 its reverse (20120012203), we get a palindrome (50341014305).

The spelling of 30221002102 in words is "thirty billion, two hundred twenty-one million, two thousand, one hundred two".

Divisors: 1 2 17 19 34 38 323 646 2377 4754 19681 39362 40409 45163 80818 90326 334577 373939 669154 747878 767771 1535542 6356963 12713926 46781737 93563474 795289529 888853003 1590579058 1777706006 15110501051 30221002102