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289994312915 = 5173411697799
BaseRepresentation
bin1000011100001010000…
…00100000110011010011
31000201112012110110101222
410032011000200303103
514222402021003130
6341115504315255
726644220663066
oct4160500406323
91021465413358
10289994312915
11101a9325851a
1248252612b2b
1321466bcc9c8
141007033c8dd
15782407ace5
hex4385020cd3

289994312915 has 8 divisors (see below), whose sum is σ = 368463362400. Its totient is φ = 218348659072.

The previous prime is 289994312903. The next prime is 289994312917. The reversal of 289994312915 is 519213499982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 289994312915 - 26 = 289994312851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289994312917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705848815 + ... + 1705848984.

It is an arithmetic number, because the mean of its divisors is an integer number (46057920300).

Almost surely, 2289994312915 is an apocalyptic number.

289994312915 is a deficient number, since it is larger than the sum of its proper divisors (78469049485).

289994312915 is a wasteful number, since it uses less digits than its factorization.

289994312915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411697821.

The product of its digits is 12597120, while the sum is 62.

The spelling of 289994312915 in words is "two hundred eighty-nine billion, nine hundred ninety-four million, three hundred twelve thousand, nine hundred fifteen".

Divisors: 1 5 17 85 3411697799 17058488995 57998862583 289994312915