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30212201847 = 310070733949
BaseRepresentation
bin11100001000110010…
…011001110101110111
32212222112120212120210
4130020302121311313
5443333310424342
621513532200503
72116454323062
oct341062316567
985875525523
1030212201847
11118a4000463
125a32009133
132b06332219
1416686c58d9
15bbc59379c
hex708c99d77

30212201847 has 4 divisors (see below), whose sum is σ = 40282935800. Its totient is φ = 20141467896.

The previous prime is 30212201843. The next prime is 30212201879. The reversal of 30212201847 is 74810221203.

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

It is not a de Polignac number, because 30212201847 - 22 = 30212201843 is a prime.

It is a super-2 number, since 2×302122018472 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212201843) 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, 5035366972 + ... + 5035366977.

It is an arithmetic number, because the mean of its divisors is an integer number (10070733950).

Almost surely, 230212201847 is an apocalyptic number.

30212201847 is a deficient number, since it is larger than the sum of its proper divisors (10070733953).

30212201847 is a wasteful number, since it uses less digits than its factorization.

30212201847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070733952.

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 30212201847 in words is "thirty billion, two hundred twelve million, two hundred one thousand, eight hundred forty-seven".

Divisors: 1 3 10070733949 30212201847