Search a number
-
+
142771576915 = 51112720439739
BaseRepresentation
bin1000010011110111011…
…0010110000001010011
3111122111222220120112001
42010331312112001103
54314344010430130
6145331030214431
713213004244322
oct2047566260123
9448458816461
10142771576915
1155604918980
1223805ab4417
1310603b49c36
146ca57740b9
153aa91e46ca
hex213dd96053

142771576915 has 16 divisors (see below), whose sum is σ = 188372643840. Its totient is φ = 103016279520.

The previous prime is 142771576873. The next prime is 142771576931. The reversal of 142771576915 is 519675177241.

It is not a de Polignac number, because 142771576915 - 221 = 142769479763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10212885 + ... + 10226854.

It is an arithmetic number, because the mean of its divisors is an integer number (11773290240).

Almost surely, 2142771576915 is an apocalyptic number.

142771576915 is a deficient number, since it is larger than the sum of its proper divisors (45601066925).

142771576915 is a wasteful number, since it uses less digits than its factorization.

142771576915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20439882.

The product of its digits is 3704400, while the sum is 55.

The spelling of 142771576915 in words is "one hundred forty-two billion, seven hundred seventy-one million, five hundred seventy-six thousand, nine hundred fifteen".

Divisors: 1 5 11 55 127 635 1397 6985 20439739 102198695 224837129 1124185645 2595846853 12979234265 28554315383 142771576915