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231023129104 = 24591077122721
BaseRepresentation
bin1101011100101000001…
…1010011001000010000
3211002022101202221011001
43113022003103020100
512241113410112404
6254044111231344
722455653124355
oct3271203231020
9732271687131
10231023129104
1189a81596279
1238935218554
1318a2965bbc1
14b27837862c
156021cec7a4
hex35ca0d3210

231023129104 has 40 divisors (see below), whose sum is σ = 455256174240. Its totient is φ = 113538201600.

The previous prime is 231023129063. The next prime is 231023129107. The reversal of 231023129104 is 401921320132.

It is a happy number.

231023129104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231023129107) 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, 10156464 + ... + 10179184.

It is an arithmetic number, because the mean of its divisors is an integer number (11381404356).

Almost surely, 2231023129104 is an apocalyptic number.

It is an amenable number.

231023129104 is a deficient number, since it is larger than the sum of its proper divisors (224233045136).

231023129104 is a wasteful number, since it uses less digits than its factorization.

231023129104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33559 (or 33553 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 231023129104 its reverse (401921320132), we get a palindrome (632944449236).

The spelling of 231023129104 in words is "two hundred thirty-one billion, twenty-three million, one hundred twenty-nine thousand, one hundred four".

Divisors: 1 2 4 8 16 59 118 236 472 944 10771 21542 22721 43084 45442 86168 90884 172336 181768 363536 635489 1270978 1340539 2541956 2681078 5083912 5362156 10167824 10724312 21448624 244727891 489455782 978911564 1957823128 3915646256 14438945569 28877891138 57755782276 115511564552 231023129104