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2109577393 = 711260910501
BaseRepresentation
bin111110110111101…
…1001100010110001
312110000112122011001
41331233121202301
513310022434033
6545155322001
7103164053260
oct17557314261
95400478131
102109577393
1199288a7a0
124aa5b0301
13278092261
141602605d7
15c5309e7d
hex7dbd98b1

2109577393 has 16 divisors (see below), whose sum is σ = 2631381120. Its totient is φ = 1643040000.

The previous prime is 2109577381. The next prime is 2109577403. The reversal of 2109577393 is 3937759012.

It is not a de Polignac number, because 2109577393 - 217 = 2109446321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2109577303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195643 + ... + 206143.

It is an arithmetic number, because the mean of its divisors is an integer number (164461320).

Almost surely, 22109577393 is an apocalyptic number.

It is an amenable number.

2109577393 is a deficient number, since it is larger than the sum of its proper divisors (521803727).

2109577393 is a wasteful number, since it uses less digits than its factorization.

2109577393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13128.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 2109577393 is about 45930.1360002341. The cubic root of 2109577393 is about 1282.5229764334.

The spelling of 2109577393 in words is "two billion, one hundred nine million, five hundred seventy-seven thousand, three hundred ninety-three".

Divisors: 1 7 11 77 2609 10501 18263 28699 73507 115511 200893 808577 27397109 191779763 301368199 2109577393