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212000232311 = 7180116816073
BaseRepresentation
bin1100010101110000110…
…0101101001101110111
3202021012122211122111222
43011130030231031313
511433134024413221
6241220324420555
721213364146020
oct3053414551567
9667178748458
10212000232311
11819aa67136a
123510654775b
1316cb753565a
14a391b5dc47
1557abc3d9ab
hex315c32d377

212000232311 has 8 divisors (see below), whose sum is σ = 242420522784. Its totient is φ = 181613577600.

The previous prime is 212000232277. The next prime is 212000232341. The reversal of 212000232311 is 113232000212.

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

It is a de Polignac number, because none of the positive numbers 2k-212000232311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212000232311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000232341) 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, 8395430 + ... + 8420643.

It is an arithmetic number, because the mean of its divisors is an integer number (30302565348).

Almost surely, 2212000232311 is an apocalyptic number.

212000232311 is a deficient number, since it is larger than the sum of its proper divisors (30420290473).

212000232311 is a wasteful number, since it uses less digits than its factorization.

212000232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16817881.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212000232311 its reverse (113232000212), we get a palindrome (325232232523).

The spelling of 212000232311 in words is "two hundred twelve billion, two hundred thirty-two thousand, three hundred eleven".

Divisors: 1 7 1801 12607 16816073 117712511 30285747473 212000232311