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142131163 is a prime number
BaseRepresentation
bin10000111100010…
…11111111011011
3100220110000022011
420132023333123
5242341144123
622034210351
73344044366
oct1036137733
9326400264
10142131163
1173258279
123b7239b7
13235a53a5
1414c3b0dd
15c727e0d
hex878bfdb

142131163 has 2 divisors, whose sum is σ = 142131164. Its totient is φ = 142131162.

The previous prime is 142131127. The next prime is 142131179. The reversal of 142131163 is 361131241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142131163 is a prime.

It is not a weakly prime, because it can be changed into another prime (142131263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71065581 + 71065582.

It is an arithmetic number, because the mean of its divisors is an integer number (71065582).

Almost surely, 2142131163 is an apocalyptic number.

142131163 is a deficient number, since it is larger than the sum of its proper divisors (1).

142131163 is an equidigital number, since it uses as much as digits as its factorization.

142131163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 142131163 is about 11921.8774947573. The cubic root of 142131163 is about 521.8709268713.

It can be divided in two parts, 14213 and 1163, that added together give a square (15376 = 1242).

The spelling of 142131163 in words is "one hundred forty-two million, one hundred thirty-one thousand, one hundred sixty-three".