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205242102022302 = 23229460385419097
BaseRepresentation
bin101110101010101010100110…
…100101011000000010011110
3222220200221201222102012111100
4232222222212211120002132
5203400141311104203202
62004302530420333530
761142152422313452
oct5652524645300236
9886627658365440
10205242102022302
115a43a760a39564
121b0293648442a6
138a6a32a070037
143897ab0cb0662
1518adc4103341c
hexbaaaa695809e

205242102022302 has 48 divisors (see below), whose sum is σ = 460125346814640. Its totient is φ = 66040578205056.

The previous prime is 205242102022267. The next prime is 205242102022303. The reversal of 205242102022302 is 203220201242502.

It is a happy number.

205242102022302 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 421 + 0 + 2 + 0 + 2 + 230 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205242102022303) 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, 40306783 + ... + 45112314.

It is an arithmetic number, because the mean of its divisors is an integer number (9585944725305).

Almost surely, 2205242102022302 is an apocalyptic number.

205242102022302 is an abundant number, since it is smaller than the sum of its proper divisors (254883244792338).

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

205242102022302 is a wasteful number, since it uses less digits than its factorization.

205242102022302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85423737 (or 85423734 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 205242102022302 its reverse (203220201242502), we get a palindrome (408462303264804).

The spelling of 205242102022302 in words is "two hundred five trillion, two hundred forty-two billion, one hundred two million, twenty-two thousand, three hundred two".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 4603 9206 13809 27618 41427 82854 133487 266974 400461 800922 1201383 2402766 85419097 170838194 256257291 512514582 768771873 1537543746 2477153813 4954307626 7431461439 14862922878 22294384317 44588768634 393184103491 786368206982 1179552310473 2359104620946 3538656931419 7077313862838 11402339001239 22804678002478 34207017003717 68414034007434 102621051011151 205242102022302