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231200222020022 = 21133133733875543
BaseRepresentation
bin110100100100011001111111…
…000110110000000110110110
31010022121112011222210201020202
4310210121333012300012312
5220300441023314120042
62135415525444000502
766461444013605543
oct6444317706600666
91108545158721222
10231200222020022
1167738510a53412
1221b2019a690132
139c01119cacb08
144114216badbca
151bae0ad2ac632
hexd2467f1b01b6

231200222020022 has 32 divisors (see below), whose sum is σ = 351081579814848. Its totient is φ = 114180314766336.

The previous prime is 231200222020021. The next prime is 231200222020037. The reversal of 231200222020022 is 220020222002132.

231200222020022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231200222019976 and 231200222020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231200222020021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263627183 + ... + 264502725.

It is an arithmetic number, because the mean of its divisors is an integer number (10971299369214).

Almost surely, 2231200222020022 is an apocalyptic number.

231200222020022 is a deficient number, since it is larger than the sum of its proper divisors (119881357794826).

231200222020022 is a wasteful number, since it uses less digits than its factorization.

231200222020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879704.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 231200222020022 its reverse (220020222002132), we get a palindrome (451220444022154).

The spelling of 231200222020022 in words is "two hundred thirty-one trillion, two hundred billion, two hundred twenty-two million, twenty thousand, twenty-two".

Divisors: 1 2 113 226 313 626 3733 7466 35369 70738 421829 843658 875543 1168429 1751086 2336858 98936359 132032477 197872718 264064954 274044959 548089918 3268402019 6536804038 30967080367 61934160734 369329428147 738658856294 1023009831947 2046019663894 115600111010011 231200222020022