Search a number
-
+
142371512927 = 71217154310831
BaseRepresentation
bin1000010010011000000…
…0001110001001011111
3111121111010010012220022
42010212000032021133
54313034101403202
6145223215342355
713200045615110
oct2044600161137
9447433105808
10142371512927
115541a009986
1223713b219bb
131056bcb5497
146c68594207
153a8401bea2
hex212600e25f

142371512927 has 16 divisors (see below), whose sum is σ = 162964580352. Its totient is φ = 121842178560.

The previous prime is 142371512923. The next prime is 142371512947. The reversal of 142371512927 is 729215173241.

It is a cyclic number.

It is not a de Polignac number, because 142371512927 - 22 = 142371512923 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142371512923) 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, 13139402 + ... + 13150232.

It is an arithmetic number, because the mean of its divisors is an integer number (10185286272).

Almost surely, 2142371512927 is an apocalyptic number.

142371512927 is a deficient number, since it is larger than the sum of its proper divisors (20593067425).

142371512927 is a wasteful number, since it uses less digits than its factorization.

142371512927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13598.

The product of its digits is 211680, while the sum is 44.

The spelling of 142371512927 in words is "one hundred forty-two billion, three hundred seventy-one million, five hundred twelve thousand, nine hundred twenty-seven".

Divisors: 1 7 1217 1543 8519 10801 10831 75817 1877831 13144817 13181327 16712233 92269289 116985631 20338787561 142371512927