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2140555323 = 31779531287
BaseRepresentation
bin111111110010110…
…0100100000111011
312112011211110212210
41333211210200323
513340440232243
6552223310203
7104021264034
oct17745444073
95464743783
102140555323
119a9318995
124b8a4b363
1328161a3aa
14164405a8b
15c7dc8933
hex7f96483b

2140555323 has 16 divisors (see below), whose sum is σ = 3060218880. Its totient is φ = 1326089856.

The previous prime is 2140555321. The next prime is 2140555379. The reversal of 2140555323 is 3235550412.

It is not a de Polignac number, because 2140555323 - 21 = 2140555321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140555321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261615 + ... + 269672.

It is an arithmetic number, because the mean of its divisors is an integer number (191263680).

Almost surely, 22140555323 is an apocalyptic number.

2140555323 is a deficient number, since it is larger than the sum of its proper divisors (919663557).

2140555323 is a wasteful number, since it uses less digits than its factorization.

2140555323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531386.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2140555323 is about 46266.1358122763. The cubic root of 2140555323 is about 1288.7702004778.

The spelling of 2140555323 in words is "two billion, one hundred forty million, five hundred fifty-five thousand, three hundred twenty-three".

Divisors: 1 3 17 51 79 237 1343 4029 531287 1593861 9031879 27095637 41971673 125915019 713518441 2140555323