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30212012022223 = 31396524000071
BaseRepresentation
bin1101101111010010010000…
…01111101001100111001111
310221222020111001201101201111
412313221020033221213033
512424443200034202343
6144131112352352451
76235513552011163
oct667511017514717
9127866431641644
1030212012022223
11969892a185349
12347b359845727
1313b1c99242085
147663aa8d8ca3
15375d3ca95c9d
hex1b7a483e99cf

30212012022223 has 4 divisors (see below), whose sum is σ = 30308536022608. Its totient is φ = 30115488021840.

The previous prime is 30212012022167. The next prime is 30212012022253. The reversal of 30212012022223 is 32222021021203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30212012022223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30212012022194 and 30212012022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212012022253) 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, 48261999723 + ... + 48262000348.

It is an arithmetic number, because the mean of its divisors is an integer number (7577134005652).

Almost surely, 230212012022223 is an apocalyptic number.

30212012022223 is a deficient number, since it is larger than the sum of its proper divisors (96524000385).

30212012022223 is an equidigital number, since it uses as much as digits as its factorization.

30212012022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96524000384.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30212012022223 its reverse (32222021021203), we get a palindrome (62434033043426).

The spelling of 30212012022223 in words is "thirty trillion, two hundred twelve billion, twelve million, twenty-two thousand, two hundred twenty-three".

Divisors: 1 313 96524000071 30212012022223