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142501012 = 22291228457
BaseRepresentation
bin10000111111001…
…10010010010100
3100221010210122021
420133212102110
5242440013022
622050142524
73350144563
oct1037462224
9327123567
10142501012
1173490135
123b881a44
13236a4834
1414cd5bda
15c79c7c7
hex87e6494

142501012 has 12 divisors (see below), whose sum is σ = 257976180. Its totient is φ = 68793536.

The previous prime is 142501003. The next prime is 142501013. The reversal of 142501012 is 210105241.

142501012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 71334916 + 71166096 = 8446^2 + 8436^2 .

It is a congruent number.

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

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, 614113 + ... + 614344.

It is an arithmetic number, because the mean of its divisors is an integer number (21498015).

Almost surely, 2142501012 is an apocalyptic number.

It is an amenable number.

142501012 is a deficient number, since it is larger than the sum of its proper divisors (115475168).

142501012 is a wasteful number, since it uses less digits than its factorization.

142501012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228490 (or 1228488 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 142501012 is about 11937.3787742536. The cubic root of 142501012 is about 522.3231998757.

Adding to 142501012 its reverse (210105241), we get a palindrome (352606253).

The spelling of 142501012 in words is "one hundred forty-two million, five hundred one thousand, twelve".

Divisors: 1 2 4 29 58 116 1228457 2456914 4913828 35625253 71250506 142501012