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211000012 = 22311701613
BaseRepresentation
bin11001001001110…
…01101011001100
3112201000220121021
430210321223030
5413004000022
632534243524
75141320246
oct1444715314
9481026537
10211000012
11a9116483
125a7b65a4
13349390a2
1420047096
15137cd7c7
hexc939acc

211000012 has 12 divisors (see below), whose sum is σ = 381161536. Its totient is φ = 102096720.

The previous prime is 211000007. The next prime is 211000021. The reversal of 211000012 is 210000112.

211000012 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

211000012 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 210999959 and 211000004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850683 + ... + 850930.

Almost surely, 2211000012 is an apocalyptic number.

It is an amenable number.

211000012 is a deficient number, since it is larger than the sum of its proper divisors (170161524).

211000012 is a wasteful number, since it uses less digits than its factorization.

211000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701648 (or 1701646 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 211000012 is about 14525.8394593910. The cubic root of 211000012 is about 595.3341925999.

Adding to 211000012 its reverse (210000112), we get a palindrome (421000124).

The spelling of 211000012 in words is "two hundred eleven million, twelve", and thus it is an aban number.

Divisors: 1 2 4 31 62 124 1701613 3403226 6806452 52750003 105500006 211000012