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232131443210140 = 22527014342964549
BaseRepresentation
bin110100110001111101010000…
…001101101011011110011100
31010102220112211101202120202211
4310301331100031223132130
5220411220143430211030
62141411413545530204
766615641363250145
oct6461752015533634
91112815741676684
10232131443210140
1167a67435046471
12220507667a3964
139c6ab93b344c6
144147316888acc
151bc841173712a
hexd31f5036b79c

232131443210140 has 24 divisors (see below), whose sum is σ = 487477846598400. Its totient is φ = 92852231406528.

The previous prime is 232131443210129. The next prime is 232131443210141. The reversal of 232131443210140 is 41012344131232.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232131443210141) 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, 16079415 + ... + 26885134.

It is an arithmetic number, because the mean of its divisors is an integer number (20311576941600).

Almost surely, 2232131443210140 is an apocalyptic number.

232131443210140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232131443210140 is an abundant number, since it is smaller than the sum of its proper divisors (255346403388260).

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

232131443210140 is a wasteful number, since it uses less digits than its factorization.

232131443210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43234701 (or 43234699 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 232131443210140 its reverse (41012344131232), we get a palindrome (273143787341372).

The spelling of 232131443210140 in words is "two hundred thirty-two trillion, one hundred thirty-one billion, four hundred forty-three million, two hundred ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 270143 540286 1080572 1350715 2701430 5402860 42964549 85929098 171858196 214822745 429645490 859290980 11606572160507 23213144321014 46426288642028 58032860802535 116065721605070 232131443210140