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142104122 = 2174179533
BaseRepresentation
bin10000111100001…
…01011000111010
3100220101122012122
420132011120322
5242334312442
622033441242
73343602506
oct1036053072
9326348178
10142104122
1173239a26
123b710222
1323595ca4
1414c31306
15c71edd2
hex878563a

142104122 has 8 divisors (see below), whose sum is σ = 225694836. Its totient is φ = 66872512.

The previous prime is 142104113. The next prime is 142104181. The reversal of 142104122 is 221401241.

It can be written as a sum of positive squares in 2 ways, for example, as 141824281 + 279841 = 11909^2 + 529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 142104122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2089733 + ... + 2089800.

Almost surely, 2142104122 is an apocalyptic number.

142104122 is a deficient number, since it is larger than the sum of its proper divisors (83590714).

142104122 is a wasteful number, since it uses less digits than its factorization.

142104122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179552.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 142104122 is about 11920.7433493050. The cubic root of 142104122 is about 521.8378287890.

Adding to 142104122 its reverse (221401241), we get a palindrome (363505363).

The spelling of 142104122 in words is "one hundred forty-two million, one hundred four thousand, one hundred twenty-two".

Divisors: 1 2 17 34 4179533 8359066 71052061 142104122