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2638060823 = 103113226657
BaseRepresentation
bin1001110100111101…
…1001110100010111
320210211222101010102
42131033121310113
520400320421243
61113434444315
7122242101266
oct23517316427
96724871112
102638060823
111134131162
1261759369b
1333070ac48
141b050c5dd
151068ec9b8
hex9d3d9d17

2638060823 has 8 divisors (see below), whose sum is σ = 2687257248. Its totient is φ = 2589318144.

The previous prime is 2638060811. The next prime is 2638060883. The reversal of 2638060823 is 3280608362.

It is a happy number.

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 2638060823 - 218 = 2637798679 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 (2638060883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101690 + ... + 124967.

It is an arithmetic number, because the mean of its divisors is an integer number (335907156).

Almost surely, 22638060823 is an apocalyptic number.

2638060823 is a deficient number, since it is larger than the sum of its proper divisors (49196425).

2638060823 is a wasteful number, since it uses less digits than its factorization.

2638060823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226873.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2638060823 is about 51362.0562575137. The cubic root of 2638060823 is about 1381.7461657954.

The spelling of 2638060823 in words is "two billion, six hundred thirty-eight million, sixty thousand, eight hundred twenty-three".

Divisors: 1 103 113 11639 226657 23345671 25612241 2638060823