Search a number
-
+
6198885289 = 43218312
BaseRepresentation
bin1011100010111101…
…10111101110101001
3121000000022000000001
411301132313232221
5100143403312124
62503035343001
7306420440602
oct56136675651
917000260001
106198885289
1126a11222a3
12124bbb1a61
1377a35287c
1442b3c0da9
15264321b44
hex1717b7ba9

6198885289 has 9 divisors (see below), whose sum is σ = 6349865949. Its totient is φ = 6051418380.

The previous prime is 6198885241. The next prime is 6198885307. The reversal of 6198885289 is 9825888916.

The square root of 6198885289 is 78733.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 6198885289 - 211 = 6198883241 is a prime.

It is a super-2 number, since 2×61988852892 = 76852357652361227042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6198885289.

It is not an unprimeable number, because it can be changed into a prime (6198885239) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3384604 + ... + 3386434.

It is an arithmetic number, because the mean of its divisors is an integer number (705540661).

Almost surely, 26198885289 is an apocalyptic number.

6198885289 is the 78733-rd square number.

6198885289 is the 39367-th centered octagonal number.

It is an amenable number.

6198885289 is a deficient number, since it is larger than the sum of its proper divisors (150980660).

6198885289 is an frugal number, since it uses more digits than its factorization.

6198885289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748 (or 1874 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 64.

The cubic root of 6198885289 is about 1836.9804452947.

Multiplying 6198885289 by its sum of digits (64), we get a square (396728658496 = 6298642).

The spelling of 6198885289 in words is "six billion, one hundred ninety-eight million, eight hundred eighty-five thousand, two hundred eighty-nine".

Divisors: 1 43 1831 1849 78733 3352561 3385519 144160123 6198885289