Search a number
-
+
19570143273 = 343210334253
BaseRepresentation
bin10010001110011110…
…001011000000101001
31212111212200021200020
4102032132023000221
5310034424041043
612553532031053
71261652321202
oct221636130051
955455607606
1019570143273
11833292132a
123962002489
131acb611645
14d3918c5a9
1579815ae83
hex48e78b029

19570143273 has 24 divisors (see below), whose sum is σ = 26974613952. Its totient is φ = 12619258848.

The previous prime is 19570143251. The next prime is 19570143277. The reversal of 19570143273 is 37234107591.

It is not a de Polignac number, because 19570143273 - 26 = 19570143209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19570143277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554215 + ... + 588467.

It is an arithmetic number, because the mean of its divisors is an integer number (1123942248).

Almost surely, 219570143273 is an apocalyptic number.

It is an amenable number.

19570143273 is a deficient number, since it is larger than the sum of its proper divisors (7404470679).

19570143273 is a wasteful number, since it uses less digits than its factorization.

19570143273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34445 (or 34402 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 19570143273 in words is "nineteen billion, five hundred seventy million, one hundred forty-three thousand, two hundred seventy-three".

Divisors: 1 3 43 103 129 309 1849 4429 5547 13287 34253 102759 190447 571341 1472879 3528059 4418637 10584177 63333797 151706537 190001391 455119611 6523381091 19570143273