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30212130202 = 2101149565001
BaseRepresentation
bin11100001000110010…
…001000010110011010
32212222112110020022021
4130020302020112122
5443333301131302
621513530445054
72116453604152
oct341062102632
985875406267
1030212130202
11118a3a61651
125a31b9378a
132b06308727
1416686a7762
15bbc57c437
hex708c8859a

30212130202 has 8 divisors (see below), whose sum is σ = 45766890612. Its totient is φ = 14956500000.

The previous prime is 30212130173. The next prime is 30212130241. The reversal of 30212130202 is 20203121203.

It can be written as a sum of positive squares in 2 ways, for example, as 30032543401 + 179586801 = 173299^2 + 13401^2 .

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

It is a super-2 number, since 2×302121302022 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74782299 + ... + 74782702.

Almost surely, 230212130202 is an apocalyptic number.

30212130202 is a deficient number, since it is larger than the sum of its proper divisors (15554760410).

30212130202 is a wasteful number, since it uses less digits than its factorization.

30212130202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149565104.

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

Adding to 30212130202 its reverse (20203121203), we get a palindrome (50415251405).

The spelling of 30212130202 in words is "thirty billion, two hundred twelve million, one hundred thirty thousand, two hundred two".

Divisors: 1 2 101 202 149565001 299130002 15106065101 30212130202