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2140320505 = 5895638543
BaseRepresentation
bin111111110010010…
…1011001011111001
312112011101112202211
41333210223023321
513340410224010
6552214255121
7104016265321
oct17744531371
95464345684
102140320505
119a9178524
124b89574a1
1328156754b
14164384281
15c7d7e08a
hex7f92b2f9

2140320505 has 16 divisors (see below), whose sum is σ = 2602160640. Its totient is φ = 1689812608.

The previous prime is 2140320503. The next prime is 2140320509. The reversal of 2140320505 is 5050230412.

It is a cyclic number.

It is not a de Polignac number, because 2140320505 - 21 = 2140320503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140320503) 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, 246264 + ... + 254806.

It is an arithmetic number, because the mean of its divisors is an integer number (162635040).

Almost surely, 22140320505 is an apocalyptic number.

It is an amenable number.

2140320505 is a deficient number, since it is larger than the sum of its proper divisors (461840135).

2140320505 is an equidigital number, since it uses as much as digits as its factorization.

2140320505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2140320505 is about 46263.5980550584. The cubic root of 2140320505 is about 1288.7230729086.

Adding to 2140320505 its reverse (5050230412), we get a palindrome (7190550917).

The spelling of 2140320505 in words is "two billion, one hundred forty million, three hundred twenty thousand, five hundred five".

Divisors: 1 5 89 445 563 2815 8543 42715 50107 250535 760327 3801635 4809709 24048545 428064101 2140320505