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2308891077 = 321913502287
BaseRepresentation
bin1000100110011110…
…1110000111000101
312221220120211010100
42021213232013011
514212034003302
61021035314313
7111134151603
oct21147560705
95856524110
102308891077
11a85344049
125452ab999
132aa46904c
1417c904873
15d7a7ad1c
hex899ee1c5

2308891077 has 12 divisors (see below), whose sum is σ = 3510594880. Its totient is φ = 1458246888.

The previous prime is 2308891069. The next prime is 2308891093. The reversal of 2308891077 is 7701988032.

2308891077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2308891077 - 23 = 2308891069 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 (2308891177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6750973 + ... + 6751314.

Almost surely, 22308891077 is an apocalyptic number.

It is an amenable number.

2308891077 is a deficient number, since it is larger than the sum of its proper divisors (1201703803).

2308891077 is a wasteful number, since it uses less digits than its factorization.

2308891077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13502312 (or 13502309 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 2308891077 is about 48050.9217081213. The cubic root of 2308891077 is about 1321.7048443388.

The spelling of 2308891077 in words is "two billion, three hundred eight million, eight hundred ninety-one thousand, seventy-seven".

Divisors: 1 3 9 19 57 171 13502287 40506861 121520583 256543453 769630359 2308891077