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30212421203 = 129001234203
BaseRepresentation
bin11100001000110011…
…001111011001010011
32212222120000000111002
4130020303033121103
5443333334434303
621513541012215
72116456225436
oct341063173123
985876000432
1030212421203
11118a4140248
125a320b406b
132b063ab013
14166874181d
15bbc5d8788
hex708ccf653

30212421203 has 4 divisors (see below), whose sum is σ = 30212784408. Its totient is φ = 30212058000.

The previous prime is 30212421193. The next prime is 30212421251.

30212421203 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30212421203 - 230 = 29138679379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30212421703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11900 + ... + 246102.

It is an arithmetic number, because the mean of its divisors is an integer number (7553196102).

Almost surely, 230212421203 is an apocalyptic number.

30212421203 is a deficient number, since it is larger than the sum of its proper divisors (363205).

30212421203 is a wasteful number, since it uses less digits than its factorization.

30212421203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363204.

The product of its (nonzero) digits is 576, while the sum is 20.

The spelling of 30212421203 in words is "thirty billion, two hundred twelve million, four hundred twenty-one thousand, two hundred three".

Divisors: 1 129001 234203 30212421203