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189012001210211 = 311607755630901
BaseRepresentation
bin101010111110011111001001…
…001100001011111101100011
3220210020101000100101000201002
4222332133021030023331203
5144233233034302211321
61505554525321302215
754545444406535214
oct5276371114137543
9823211010330632
10189012001210211
11552525a3172293
121924796093496b
1381609a833445a
14349633030340b
1516cb9812e420b
hexabe7c930bf63

189012001210211 has 4 divisors (see below), whose sum is σ = 189619756841424. Its totient is φ = 188404245579000.

The previous prime is 189012001210183. The next prime is 189012001210271. The reversal of 189012001210211 is 112012100210981.

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-189012001210211 is a prime.

It is a super-2 number, since 2×1890120012102112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189012001210271) 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, 303877815140 + ... + 303877815761.

It is an arithmetic number, because the mean of its divisors is an integer number (47404939210356).

Almost surely, 2189012001210211 is an apocalyptic number.

189012001210211 is a deficient number, since it is larger than the sum of its proper divisors (607755631213).

189012001210211 is an equidigital number, since it uses as much as digits as its factorization.

189012001210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607755631212.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 189012001210211 in words is "one hundred eighty-nine trillion, twelve billion, one million, two hundred ten thousand, two hundred eleven".

Divisors: 1 311 607755630901 189012001210211