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2189496315 = 35145966421
BaseRepresentation
bin1000001010000001…
…0000111111111011
312122120220221022010
42002200100333323
513441002340230
61001132301003
7105154261116
oct20240207773
95576827263
102189496315
11a23a05a96
12511311763
1328b7c4766
1416ab0557d
15cc3449b0
hex82810ffb

2189496315 has 8 divisors (see below), whose sum is σ = 3503194128. Its totient is φ = 1167731360.

The previous prime is 2189496311. The next prime is 2189496329. The reversal of 2189496315 is 5136949812.

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

It is not a de Polignac number, because 2189496315 - 22 = 2189496311 is a prime.

It is a super-2 number, since 2×21894963152 = 9587788226797158450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2189496311) 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, 72983196 + ... + 72983225.

It is an arithmetic number, because the mean of its divisors is an integer number (437899266).

Almost surely, 22189496315 is an apocalyptic number.

2189496315 is a deficient number, since it is larger than the sum of its proper divisors (1313697813).

2189496315 is a wasteful number, since it uses less digits than its factorization.

2189496315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145966429.

The product of its digits is 466560, while the sum is 48.

The square root of 2189496315 is about 46792.0539728702. The cubic root of 2189496315 is about 1298.5182950690.

The spelling of 2189496315 in words is "two billion, one hundred eighty-nine million, four hundred ninety-six thousand, three hundred fifteen".

Divisors: 1 3 5 15 145966421 437899263 729832105 2189496315