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2080912867 = 11267283907
BaseRepresentation
bin111110000001000…
…0011010111100011
312101000121022210221
41330002003113203
513230203202432
6542253103511
7102365316235
oct17402032743
95330538727
102080912867
11978691700
124a0a87b97
132721670b7
1415a51c255
15c2a46b97
hex7c0835e3

2080912867 has 24 divisors (see below), whose sum is σ = 2332194368. Its totient is φ = 1854871920.

The previous prime is 2080912853. The next prime is 2080912937. The reversal of 2080912867 is 7682190802.

It is a de Polignac number, because none of the positive numbers 2k-2080912867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2080912807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2293828 + ... + 2294734.

Almost surely, 22080912867 is an apocalyptic number.

2080912867 is a deficient number, since it is larger than the sum of its proper divisors (251281501).

2080912867 is a wasteful number, since it uses less digits than its factorization.

2080912867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 2080912867 is about 45617.0238726728. The cubic root of 2080912867 is about 1276.6875753298.

The spelling of 2080912867 in words is "two billion, eighty million, nine hundred twelve thousand, eight hundred sixty-seven".

Divisors: 1 11 67 121 283 737 907 3113 8107 9977 18961 34243 60769 109747 208571 256681 668459 2294281 2823491 7353049 17197627 31058401 189173897 2080912867