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233431214212 = 22713760852767
BaseRepresentation
bin1101100101100110010…
…1011010100010000100
3211022112020000022220101
43121121211122202010
512311031342323322
6255123053013444
722602433403560
oct3313145324204
9738466008811
10233431214212
118aaa7920259
12392a7784284
1319021518931
14b4261006a0
15611341e327
hex365995a884

233431214212 has 24 divisors (see below), whose sum is σ = 470270191104. Its totient is φ = 99311714112.

The previous prime is 233431214183. The next prime is 233431214243. The reversal of 233431214212 is 212412134332.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30422548 + ... + 30430219.

It is an arithmetic number, because the mean of its divisors is an integer number (19594591296).

Almost surely, 2233431214212 is an apocalyptic number.

It is an amenable number.

233431214212 is an abundant number, since it is smaller than the sum of its proper divisors (236838976892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233431214212 is a wasteful number, since it uses less digits than its factorization.

233431214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60852915 (or 60852913 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 233431214212 its reverse (212412134332), we get a palindrome (445843348544).

The spelling of 233431214212 in words is "two hundred thirty-three billion, four hundred thirty-one million, two hundred fourteen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 137 274 548 959 1918 3836 60852767 121705534 243411068 425969369 851938738 1703877476 8336829079 16673658158 33347316316 58357803553 116715607106 233431214212