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142120325550142 = 2194191219721149
BaseRepresentation
bin100000010100000111110111…
…100001010001000000111110
3200122012120101211211122220101
4200110013313201101000332
5122111444411320101032
61222133102022111314
741635566104062252
oct4024076741210076
9618176354748811
10142120325550142
1141313989781855
1213b33a5557b53a
13613bb73734644
142714936428262
151166d20d28de7
hex8141f785103e

142120325550142 has 16 divisors (see below), whose sum is σ = 229873697298000. Its totient is φ = 65678199226560.

The previous prime is 142120325550109. The next prime is 142120325550143. The reversal of 142120325550142 is 241055523021241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142120325550143) 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, 45609859017 + ... + 45609862132.

It is an arithmetic number, because the mean of its divisors is an integer number (14367106081125).

Almost surely, 2142120325550142 is an apocalyptic number.

142120325550142 is a deficient number, since it is larger than the sum of its proper divisors (87753371747858).

142120325550142 is a wasteful number, since it uses less digits than its factorization.

142120325550142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91219721211.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 142120325550142 its reverse (241055523021241), we get a palindrome (383175848571383).

The spelling of 142120325550142 in words is "one hundred forty-two trillion, one hundred twenty billion, three hundred twenty-five million, five hundred fifty thousand, one hundred forty-two".

Divisors: 1 2 19 38 41 82 779 1558 91219721149 182439442298 1733174701831 3466349403662 3740008567109 7480017134218 71060162775071 142120325550142