Search a number
-
+
142501011 = 3431104659
BaseRepresentation
bin10000111111001…
…10010010010011
3100221010210122020
420133212102103
5242440013021
622050142523
73350144562
oct1037462223
9327123566
10142501011
1173490134
123b881a43
13236a4833
1414cd5bd9
15c79c7c6
hex87e6493

142501011 has 8 divisors (see below), whose sum is σ = 194420160. Its totient is φ = 92791272.

The previous prime is 142501003. The next prime is 142501013. The reversal of 142501011 is 110105241.

It is a happy number.

142501011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142501011 - 23 = 142501003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142501013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552201 + ... + 552458.

It is an arithmetic number, because the mean of its divisors is an integer number (24302520).

Almost surely, 2142501011 is an apocalyptic number.

142501011 is a deficient number, since it is larger than the sum of its proper divisors (51919149).

142501011 is a wasteful number, since it uses less digits than its factorization.

142501011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104705.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 142501011 is about 11937.3787323683. The cubic root of 142501011 is about 522.3231986539.

Adding to 142501011 its reverse (110105241), we get a palindrome (252606252).

The spelling of 142501011 in words is "one hundred forty-two million, five hundred one thousand, eleven".

Divisors: 1 3 43 129 1104659 3313977 47500337 142501011