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2119728122 = 21955782319
BaseRepresentation
bin111111001011000…
…0111101111111010
312110201122100022222
41332112013233322
513320122244442
6550201044042
7103346251241
oct17626075772
95421570288
102119728122
11998593126
124b1a86622
1327a2075c5
14161743958
15c61628d2
hex7e587bfa

2119728122 has 8 divisors (see below), whose sum is σ = 3346939200. Its totient is φ = 1004081724.

The previous prime is 2119728109. The next prime is 2119728173. The reversal of 2119728122 is 2218279112.

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

It is a super-2 number, since 2×21197281222 = 8986494622395293768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27891122 + ... + 27891197.

It is an arithmetic number, because the mean of its divisors is an integer number (418367400).

Almost surely, 22119728122 is an apocalyptic number.

2119728122 is a deficient number, since it is larger than the sum of its proper divisors (1227211078).

2119728122 is a wasteful number, since it uses less digits than its factorization.

2119728122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55782340.

The product of its digits is 8064, while the sum is 35.

The square root of 2119728122 is about 46040.5052318065. The cubic root of 2119728122 is about 1284.5767397852.

The spelling of 2119728122 in words is "two billion, one hundred nineteen million, seven hundred twenty-eight thousand, one hundred twenty-two".

Divisors: 1 2 19 38 55782319 111564638 1059864061 2119728122