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2120854382 = 27916198291
BaseRepresentation
bin111111001101001…
…1010101101101110
312110210202120021022
41332122122231232
513320414320012
6550241134142
7103361651633
oct17632325556
95423676238
102120854382
11999192319
124b232a352
1327a51012a
1416195818a
15c62d6472
hex7e69ab6e

2120854382 has 16 divisors (see below), whose sum is σ = 3223929600. Its totient is φ = 1046231160.

The previous prime is 2120854313. The next prime is 2120854387. The reversal of 2120854382 is 2834580212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120854387) 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, 251657 + ... + 259947.

It is an arithmetic number, because the mean of its divisors is an integer number (201495600).

Almost surely, 22120854382 is an apocalyptic number.

2120854382 is a deficient number, since it is larger than the sum of its proper divisors (1103075218).

2120854382 is a wasteful number, since it uses less digits than its factorization.

2120854382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 2120854382 is about 46052.7347939294. The cubic root of 2120854382 is about 1284.8042078311.

The spelling of 2120854382 in words is "two billion, one hundred twenty million, eight hundred fifty-four thousand, three hundred eighty-two".

Divisors: 1 2 79 158 1619 3238 8291 16582 127901 255802 654989 1309978 13423129 26846258 1060427191 2120854382