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30212202199 = 257117557207
BaseRepresentation
bin11100001000110010…
…011001111011010111
32212222112120220001211
4130020302121323113
5443333310432244
621513532202251
72116454324104
oct341062317327
985875526054
1030212202199
11118a4000753
125a32009387
132b0633242a
1416686c5aab
15bbc593934
hex708c99ed7

30212202199 has 4 divisors (see below), whose sum is σ = 30329759664. Its totient is φ = 30094644736.

The previous prime is 30212202169. The next prime is 30212202269. The reversal of 30212202199 is 99120221203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30212202199 - 213 = 30212194007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30212202199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212202169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58778347 + ... + 58778860.

It is an arithmetic number, because the mean of its divisors is an integer number (7582439916).

Almost surely, 230212202199 is an apocalyptic number.

30212202199 is a deficient number, since it is larger than the sum of its proper divisors (117557465).

30212202199 is a wasteful number, since it uses less digits than its factorization.

30212202199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117557464.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 30212202199 in words is "thirty billion, two hundred twelve million, two hundred two thousand, one hundred ninety-nine".

Divisors: 1 257 117557207 30212202199