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2108423087 = 23233339293
BaseRepresentation
bin111110110101011…
…1111101110101111
312102221100222201222
41331222333232233
513304224014322
6545114453555
7103151205041
oct17552775657
95387328658
102108423087
11992171521
124aa1342bb
13277a79a34
1416003da91
15c517ce42
hex7dabfbaf

2108423087 has 8 divisors (see below), whose sum is σ = 2201092704. Its totient is φ = 2015836768.

The previous prime is 2108423077. The next prime is 2108423099. The reversal of 2108423087 is 7803248012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2108423087 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 (2108423077) 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, 34013 + ... + 73305.

It is an arithmetic number, because the mean of its divisors is an integer number (275136588).

Almost surely, 22108423087 is an apocalyptic number.

2108423087 is a deficient number, since it is larger than the sum of its proper divisors (92669617).

2108423087 is a wasteful number, since it uses less digits than its factorization.

2108423087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41649.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 2108423087 is about 45917.5683916298. The cubic root of 2108423087 is about 1282.2890126594.

The spelling of 2108423087 in words is "two billion, one hundred eight million, four hundred twenty-three thousand, eighty-seven".

Divisors: 1 23 2333 39293 53659 903739 91670569 2108423087