Search a number
-
+
231240240412002 = 23223599466971277
BaseRepresentation
bin110100100100111111010000…
…011000110011010101100010
31010022202100110221110122210200
4310210333100120303111202
5220302120003021141002
62135450144441010030
766464361503410353
oct6444772030632542
91108670427418720
10231240240412002
1167753487323638
1221b27aa8783916
139c04b26b018b3
1441161319a7d2a
151bb01516c8b1c
hexd24fd0633562

231240240412002 has 48 divisors (see below), whose sum is σ = 531665106972480. Its totient is φ = 72479132089056.

The previous prime is 231240240412001. The next prime is 231240240412073. The reversal of 231240240412002 is 200214042042132.

It is a happy number.

231240240412002 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 4 + 0 + 240 + 412 + 0 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (231240240412001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4733461213 + ... + 4733510064.

It is an arithmetic number, because the mean of its divisors is an integer number (11076356395260).

Almost surely, 2231240240412002 is an apocalyptic number.

231240240412002 is an abundant number, since it is smaller than the sum of its proper divisors (300424866560478).

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

231240240412002 is a wasteful number, since it uses less digits than its factorization.

231240240412002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9466971367 (or 9466971364 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 231240240412002 its reverse (200214042042132), we get a palindrome (431454282454134).

The spelling of 231240240412002 in words is "two hundred thirty-one trillion, two hundred forty billion, two hundred forty million, four hundred twelve thousand, two".

Divisors: 1 2 3 6 9 18 23 46 59 69 118 138 177 207 354 414 531 1062 1357 2714 4071 8142 12213 24426 9466971277 18933942554 28400913831 56801827662 85202741493 170405482986 217740339371 435480678742 558551305343 653221018113 1117102610686 1306442036226 1675653916029 1959663054339 3351307832058 3919326108678 5026961748087 10053923496174 12846680022889 25693360045778 38540040068667 77080080137334 115620120206001 231240240412002