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2808032508055 = 55311299937813
BaseRepresentation
bin101000110111001011110…
…001111011100010010111
3100221110000121120021112001
4220313023301323202113
5332001322310224210
65545554201540131
7406605443332645
oct50671361734227
910843017507461
102808032508055
11992975166795
123942704a4647
13174a476c6598
1499ca3942195
154d09b58c03a
hex28dcbc7b897

2808032508055 has 16 divisors (see below), whose sum is σ = 3433524616800. Its totient is φ = 2203843195008.

The previous prime is 2808032508053. The next prime is 2808032508077. The reversal of 2808032508055 is 5508052308082.

It is a cyclic number.

It is not a de Polignac number, because 2808032508055 - 21 = 2808032508053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2808032507996 and 2808032508014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808032508053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2525329 + ... + 3463141.

It is an arithmetic number, because the mean of its divisors is an integer number (214595288550).

Almost surely, 22808032508055 is an apocalyptic number.

2808032508055 is a deficient number, since it is larger than the sum of its proper divisors (625492108745).

2808032508055 is a wasteful number, since it uses less digits than its factorization.

2808032508055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949170.

The product of its (nonzero) digits is 768000, while the sum is 46.

The spelling of 2808032508055 in words is "two trillion, eight hundred eight billion, thirty-two million, five hundred eight thousand, fifty-five".

Divisors: 1 5 53 265 11299 56495 598847 937813 2994235 4689065 49704089 248520445 10596349087 52981745435 561606501611 2808032508055