Search a number
-
+
89809410911 = 1153811189947
BaseRepresentation
bin101001110100100001…
…1101101101101011111
322120210222020210001012
41103221003231231133
52432412202122121
6105131411205435
76326363253143
oct1235103555537
9276728223035
1089809410911
11350a7086750
12154a4ba687b
1386134b167c
1444bd889223
152509780c5b
hex14e90edb5f

89809410911 has 16 divisors (see below), whose sum is σ = 99946078848. Its totient is φ = 80005255200.

The previous prime is 89809410907. The next prime is 89809410913. The reversal of 89809410911 is 11901490898.

It is a cyclic number.

It is not a de Polignac number, because 89809410911 - 22 = 89809410907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89809410911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89809410913) 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, 377840 + ... + 567786.

It is an arithmetic number, because the mean of its divisors is an integer number (6246629928).

Almost surely, 289809410911 is an apocalyptic number.

89809410911 is a deficient number, since it is larger than the sum of its proper divisors (10136667937).

89809410911 is a wasteful number, since it uses less digits than its factorization.

89809410911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190822.

The product of its (nonzero) digits is 186624, while the sum is 50.

The spelling of 89809410911 in words is "eighty-nine billion, eight hundred nine million, four hundred ten thousand, nine hundred eleven".

Divisors: 1 11 53 583 811 8921 42983 189947 472813 2089417 10067191 110739101 154047017 1694517187 8164491901 89809410911