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2140284351 = 33719281841
BaseRepresentation
bin111111110010010…
…0010010110111111
312112011022201011210
41333210202112333
513340403044401
6552213415503
7104016055032
oct17744422677
95464281153
102140284351
119a9153347
124b893a593
13281553c5a
14164375019
15c7d734d6
hex7f9225bf

2140284351 has 8 divisors (see below), whose sum is σ = 2930839984. Its totient is φ = 1388292480.

The previous prime is 2140284347. The next prime is 2140284383. The reversal of 2140284351 is 1534820412.

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

It is not a de Polignac number, because 2140284351 - 22 = 2140284347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140284851) 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, 9640810 + ... + 9641031.

It is an arithmetic number, because the mean of its divisors is an integer number (366354998).

Almost surely, 22140284351 is an apocalyptic number.

2140284351 is a deficient number, since it is larger than the sum of its proper divisors (790555633).

2140284351 is a wasteful number, since it uses less digits than its factorization.

2140284351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19281881.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2140284351 is about 46263.2073142362. The cubic root of 2140284351 is about 1288.7158165567.

The spelling of 2140284351 in words is "two billion, one hundred forty million, two hundred eighty-four thousand, three hundred fifty-one".

Divisors: 1 3 37 111 19281841 57845523 713428117 2140284351