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142023051 = 36194819
BaseRepresentation
bin10000111011100…
…01100110001011
3100220020112000000
420131301212023
5242324214201
622032014043
73343114242
oct1035614613
9326215000
10142023051
1173194025
123b691323
1323568111
1414c0d959
15c705d86
hex877198b

142023051 has 14 divisors (see below), whose sum is σ = 212938260. Its totient is φ = 94681548.

The previous prime is 142023031. The next prime is 142023073. The reversal of 142023051 is 150320241.

142023051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142023051 - 25 = 142023019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142023001) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 96681 + ... + 98138.

Almost surely, 2142023051 is an apocalyptic number.

142023051 is a deficient number, since it is larger than the sum of its proper divisors (70915209).

142023051 is an frugal number, since it uses more digits than its factorization.

142023051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194837 (or 194822 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 142023051 is about 11917.3424470391. The cubic root of 142023051 is about 521.7385730184.

Adding to 142023051 its reverse (150320241), we get a palindrome (292343292).

The spelling of 142023051 in words is "one hundred forty-two million, twenty-three thousand, fifty-one".

Divisors: 1 3 9 27 81 243 729 194819 584457 1753371 5260113 15780339 47341017 142023051