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231227227132 = 2211172777111317
BaseRepresentation
bin1101011101011000110…
…1110111101111111100
3211002211121211012000021
43113112031313233330
512242023132232012
6254120241541524
722464012000346
oct3272615675774
9732747735007
10231227227132
118a076818130
12389916448a4
1318a5ca1c575
14b297506296
156034bb6007
hex35d6377bfc

231227227132 has 48 divisors (see below), whose sum is σ = 467573002848. Its totient is φ = 98884229120.

The previous prime is 231227227067. The next prime is 231227227157. The reversal of 231227227132 is 231722722132.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2021538 + ... + 2132854.

It is an arithmetic number, because the mean of its divisors is an integer number (9741104226).

Almost surely, 2231227227132 is an apocalyptic number.

231227227132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231227227132 is an abundant number, since it is smaller than the sum of its proper divisors (236345775716).

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

231227227132 is a wasteful number, since it uses less digits than its factorization.

231227227132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114126 (or 114124 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

Adding to 231227227132 its reverse (231722722132), we get a palindrome (462949949264).

The spelling of 231227227132 in words is "two hundred thirty-one billion, two hundred twenty-seven million, two hundred twenty-seven thousand, one hundred thirty-two".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 2777 5554 11108 30547 47209 61094 94418 111317 122188 188836 222634 445268 519299 1038598 1224487 1892389 2077196 2448974 3784778 4897948 7569556 20816279 41632558 83265116 309127309 618254618 1236509236 3400400399 5255164253 6800800798 10510328506 13601601596 21020657012 57806806783 115613613566 231227227132