Search a number
-
+
142126023 = 31319191803
BaseRepresentation
bin10000111100010…
…10101111000111
3100220102202020210
420132022233013
5242341013043
622034130503
73344023404
oct1036125707
9326382223
10142126023
1173254426
123b720a33
13235a2c50
1414c392ab
15c726633
hex878abc7

142126023 has 16 divisors (see below), whose sum is σ = 214820480. Its totient is φ = 82858464.

The previous prime is 142126009. The next prime is 142126027. The reversal of 142126023 is 320621241.

It is not a de Polignac number, because 142126023 - 26 = 142125959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142126027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95161 + ... + 96642.

It is an arithmetic number, because the mean of its divisors is an integer number (13426280).

Almost surely, 2142126023 is an apocalyptic number.

142126023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142126023 is a deficient number, since it is larger than the sum of its proper divisors (72694457).

142126023 is a wasteful number, since it uses less digits than its factorization.

142126023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191838.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 142126023 is about 11921.6619227354. The cubic root of 142126023 is about 521.8646358538.

Adding to 142126023 its reverse (320621241), we get a palindrome (462747264).

The spelling of 142126023 in words is "one hundred forty-two million, one hundred twenty-six thousand, twenty-three".

Divisors: 1 3 13 19 39 57 247 741 191803 575409 2493439 3644257 7480317 10932771 47375341 142126023