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2140581683 = 37612234253
BaseRepresentation
bin111111110010110…
…1010111100110011
312112011212211001002
41333211222330303
513340442103213
6552224032215
7104021433632
oct17745527463
95464784032
102140581683
119a9336779
124b8a6266b
132816293a6
14164411519
15c7dd1658
hex7f96af33

2140581683 has 16 divisors (see below), whose sum is σ = 2245022976. Its totient is φ = 2038919040.

The previous prime is 2140581679. The next prime is 2140581691. The reversal of 2140581683 is 3861850412.

It is not a de Polignac number, because 2140581683 - 22 = 2140581679 is a prime.

It is a super-2 number, since 2×21405816832 = 9164179883190224978, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140581283) 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, 501185 + ... + 505437.

It is an arithmetic number, because the mean of its divisors is an integer number (140313936).

Almost surely, 22140581683 is an apocalyptic number.

2140581683 is a deficient number, since it is larger than the sum of its proper divisors (104441293).

2140581683 is a wasteful number, since it uses less digits than its factorization.

2140581683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 2140581683 is about 46266.4206849849. The cubic root of 2140581683 is about 1288.7754906694.

The spelling of 2140581683 in words is "two billion, one hundred forty million, five hundred eighty-one thousand, six hundred eighty-three".

Divisors: 1 37 61 223 2257 4253 8251 13603 157361 259433 503311 948419 9599021 35091503 57853559 2140581683