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8049808045639 = 25199413226129
BaseRepresentation
bin111010100100011110111…
…1100101111011001000111
31001111112221222000021121101
41311020331330233121013
52023342001324430024
625042010351200531
71460402514264253
oct165107574573107
931445858007541
108049808045639
1126239a4869118
12aa0134516147
1346512a965a09
141db8816c3263
15de5d9a3ec44
hex7523df2f647

8049808045639 has 8 divisors (see below), whose sum is σ = 8082694483920. Its totient is φ = 8016928080000.

The previous prime is 8049808045621. The next prime is 8049808045663. The reversal of 8049808045639 is 9365408089408.

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 8049808045639 - 27 = 8049808045511 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 (8049808945639) 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, 882127 + ... + 4108255.

It is an arithmetic number, because the mean of its divisors is an integer number (1010336810490).

Almost surely, 28049808045639 is an apocalyptic number.

8049808045639 is a deficient number, since it is larger than the sum of its proper divisors (32886438281).

8049808045639 is a wasteful number, since it uses less digits than its factorization.

8049808045639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236321.

The product of its (nonzero) digits is 59719680, while the sum is 64.

The spelling of 8049808045639 in words is "eight trillion, forty-nine billion, eight hundred eight million, forty-five thousand, six hundred thirty-nine".

Divisors: 1 251 9941 2495191 3226129 809758379 32070948389 8049808045639