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142223030123142 = 23231915395820249
BaseRepresentation
bin100000010101100111100001…
…001100000111101010000110
3200122120101111111121112211110
4200111213201030013222012
5122120140231202420032
61222252205201345450
741646163161411243
oct4025474114075206
9618511444545743
10142223030123142
11413534a2837651
1213b4b939038286
13614876066c127
1427198ba74c5ca
1511698326ed7cc
hex8159e1307a86

142223030123142 has 32 divisors (see below), whose sum is σ = 298367276544000. Its totient is φ = 45109057273280.

The previous prime is 142223030123101. The next prime is 142223030123179. The reversal of 142223030123142 is 241321030322241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2697883767 + ... + 2697936482.

It is an arithmetic number, because the mean of its divisors is an integer number (9323977392000).

Almost surely, 2142223030123142 is an apocalyptic number.

142223030123142 is an abundant number, since it is smaller than the sum of its proper divisors (156144246420858).

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

142223030123142 is a wasteful number, since it uses less digits than its factorization.

142223030123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395820468.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 142223030123142 its reverse (241321030322241), we get a palindrome (383544060445383).

The spelling of 142223030123142 in words is "one hundred forty-two trillion, two hundred twenty-three billion, thirty million, one hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 191 382 573 1146 4393 8786 13179 26358 5395820249 10791640498 16187460747 32374921494 124103865727 248207731454 372311597181 744623194362 1030601667559 2061203335118 3091805002677 6183610005354 23703838353857 47407676707714 71111515061571 142223030123142