Search a number
-
+
142230211204221 = 32717148989188259
BaseRepresentation
bin100000010101101110001101…
…001101110001010001111101
3200122121002000222002021011100
4200111232031031301101331
5122120244433032013341
61222255353525043313
741646536136530550
oct4025561515612175
9618532028067140
10142230211204221
11413565483220a8
1213b51201b56539
13614933633702a
142719d9c364697
151169b02d863b6
hex815b8d37147d

142230211204221 has 48 divisors (see below), whose sum is σ = 248771029852800. Its totient is φ = 76442185672704.

The previous prime is 142230211204189. The next prime is 142230211204271. The reversal of 142230211204221 is 122402112032241.

142230211204221 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 3 + 0 + 211 + 20 + 422 + 1 = 666.

142230211204221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142230211204221 - 25 = 142230211204189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142230211204271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42999411 + ... + 46188848.

It is an arithmetic number, because the mean of its divisors is an integer number (5182729788600).

Almost surely, 2142230211204221 is an apocalyptic number.

It is an amenable number.

142230211204221 is a deficient number, since it is larger than the sum of its proper divisors (106540818648579).

142230211204221 is a wasteful number, since it uses less digits than its factorization.

142230211204221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89189778 (or 89189775 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 142230211204221 its reverse (122402112032241), we get a palindrome (264632323236462).

The spelling of 142230211204221 in words is "one hundred forty-two trillion, two hundred thirty billion, two hundred eleven million, two hundred four thousand, two hundred twenty-one".

Divisors: 1 3 7 9 17 21 51 63 119 153 357 1071 1489 4467 10423 13401 25313 31269 75939 93807 177191 227817 531573 1594719 89188259 267564777 624317813 802694331 1516200403 1872953439 4548601209 5618860317 10613402821 13645803627 31840208463 95520625389 132801317651 398403952953 929609223557 1195211858859 2257622400067 2788827670671 6772867200201 8366483012013 15803356800469 20318601600603 47410070401407 142230211204221