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20120030211 = 328123867177
BaseRepresentation
bin10010101111001111…
…110100110000000011
31220221012101102202010
4102233033310300003
5312201211431321
613124254024003
71311410302131
oct225717646003
956835342663
1020120030211
118595261546
123a961a8003
131b88512528
14d8c20c751
157cb57a676
hex4af3f4c03

20120030211 has 8 divisors (see below), whose sum is σ = 26922176784. Its totient is φ = 13365618560.

The previous prime is 20120030207. The next prime is 20120030251. The reversal of 20120030211 is 11203002102.

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

It is a cyclic number.

It is not a de Polignac number, because 20120030211 - 22 = 20120030207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120030251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11932746 + ... + 11934431.

It is an arithmetic number, because the mean of its divisors is an integer number (3365272098).

Almost surely, 220120030211 is an apocalyptic number.

20120030211 is a deficient number, since it is larger than the sum of its proper divisors (6802146573).

20120030211 is a wasteful number, since it uses less digits than its factorization.

20120030211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23867461.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20120030211 its reverse (11203002102), we get a palindrome (31323032313).

The spelling of 20120030211 in words is "twenty billion, one hundred twenty million, thirty thousand, two hundred eleven".

Divisors: 1 3 281 843 23867177 71601531 6706676737 20120030211