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2135649071 = 10367330809
BaseRepresentation
bin111111101001011…
…0110101100101111
312111211121012202202
41333102312230233
513333211232241
6551530212115
7103631501063
oct17722665457
95454535682
102135649071
119a6577836
124b728403b
132805c019a
141638c9aa3
15c7759d9b
hex7f4b6b2f

2135649071 has 8 divisors (see below), whose sum is σ = 2159657760. Its totient is φ = 2111703552.

The previous prime is 2135649031. The next prime is 2135649083. The reversal of 2135649071 is 1709465312.

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

It is a cyclic number.

It is not a de Polignac number, because 2135649071 - 26 = 2135649007 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 (2135649031) 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, 53915 + ... + 84723.

It is an arithmetic number, because the mean of its divisors is an integer number (269957220).

Almost surely, 22135649071 is an apocalyptic number.

2135649071 is a deficient number, since it is larger than the sum of its proper divisors (24008689).

2135649071 is a wasteful number, since it uses less digits than its factorization.

2135649071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31585.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 2135649071 is about 46213.0833314550. The cubic root of 2135649071 is about 1287.7848068964.

The spelling of 2135649071 in words is "two billion, one hundred thirty-five million, six hundred forty-nine thousand, seventy-one".

Divisors: 1 103 673 30809 69319 3173327 20734457 2135649071