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142233142140 = 223251746481419
BaseRepresentation
bin1000010001110111000…
…0011000001101111100
3111121010110202020212100
42010131300120031330
54312243141022030
6145201353505100
713163445521535
oct2043560301574
9447113666770
10142233142140
115535899a961
1223695712190
131054942888b
146c5405568c
153a76cd8360
hex211dc1837c

142233142140 has 72 divisors (see below), whose sum is σ = 456819395760. Its totient is φ = 35697729024.

The previous prime is 142233142097. The next prime is 142233142151. The reversal of 142233142140 is 41241332241.

142233142140 is a `hidden beast` number, since 1 + 4 + 2 + 233 + 1 + 421 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23237650 + ... + 23243769.

It is an arithmetic number, because the mean of its divisors is an integer number (6344713830).

Almost surely, 2142233142140 is an apocalyptic number.

142233142140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142233142140 is an abundant number, since it is smaller than the sum of its proper divisors (314586253620).

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

142233142140 is a wasteful number, since it uses less digits than its factorization.

142233142140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46481451 (or 46481446 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 142233142140 its reverse (41241332241), we get a palindrome (183474474381).

The spelling of 142233142140 in words is "one hundred forty-two billion, two hundred thirty-three million, one hundred forty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 765 1020 1530 3060 46481419 92962838 139444257 185925676 232407095 278888514 418332771 464814190 557777028 697221285 790184123 836665542 929628380 1394442570 1580368246 1673331084 2091663855 2370552369 2788885140 3160736492 3950920615 4183327710 4741104738 7111657107 7901841230 8366655420 9482209476 11852761845 14223314214 15803682460 23705523690 28446628428 35558285535 47411047380 71116571070 142233142140