Search a number
-
+
289185083407 = 11210348172
BaseRepresentation
bin1000011010101001100…
…01100011000000001111
31000122102210202100012201
410031110301203000033
514214222340132112
6340503315542331
726615163436303
oct4152461430017
91018383670181
10289185083407
11101708493400
12480675ba9a7
1321368367b8c
14ddd4a8dd03
1577c7ece257
hex4354c6300f

289185083407 has 18 divisors (see below), whose sum is σ = 321017302424. Its totient is φ = 260289099840.

The previous prime is 289185083377. The next prime is 289185083501. The reversal of 289185083407 is 704380581982.

It is not a de Polignac number, because 289185083407 - 215 = 289185050639 is a prime.

It is a super-2 number, since 2×2891850834072 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289185087407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 60031863 + ... + 60036679.

Almost surely, 2289185083407 is an apocalyptic number.

289185083407 is a deficient number, since it is larger than the sum of its proper divisors (31832219017).

289185083407 is an frugal number, since it uses more digits than its factorization.

289185083407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9759 (or 4931 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 289185083407 in words is "two hundred eighty-nine billion, one hundred eighty-five million, eighty-three thousand, four hundred seven".

Divisors: 1 11 103 121 1133 4817 12463 52987 496151 582857 5457661 23203489 60034271 255238379 2389959367 2807622169 26289553037 289185083407