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142612503 = 31131313807
BaseRepresentation
bin10001000000000…
…01100000010111
3100221100110120120
420200001200113
5243002100003
622052403023
73351120615
oct1040014027
9327313516
10142612503
1173556980
123b916473
13237134c7
1414d246b5
15c7c0853
hex8801817

142612503 has 16 divisors (see below), whose sum is σ = 208114176. Its totient is φ = 86149440.

The previous prime is 142612501. The next prime is 142612511. The reversal of 142612503 is 305216241.

It is not a de Polignac number, because 142612503 - 21 = 142612501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142612501) 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, 3426 + ... + 17232.

It is an arithmetic number, because the mean of its divisors is an integer number (13007136).

Almost surely, 2142612503 is an apocalyptic number.

142612503 is a deficient number, since it is larger than the sum of its proper divisors (65501673).

142612503 is a wasteful number, since it uses less digits than its factorization.

142612503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14134.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 142612503 is about 11942.0476887341. The cubic root of 142612503 is about 522.4593840669.

Adding to 142612503 its reverse (305216241), we get a palindrome (447828744).

The spelling of 142612503 in words is "one hundred forty-two million, six hundred twelve thousand, five hundred three".

Divisors: 1 3 11 33 313 939 3443 10329 13807 41421 151877 455631 4321591 12964773 47537501 142612503