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2856948988 = 221734128539
BaseRepresentation
bin1010101001001001…
…1001010011111100
321101002212001020111
42222102121103330
521322334331423
61151254155404
7130540444225
oct25222312374
97332761214
102856948988
111236745073
12678952b64
13366b7957a
141d160a24c
1511ac3860d
hexaa4994fc

2856948988 has 12 divisors (see below), whose sum is σ = 5028561720. Its totient is φ = 1420217072.

The previous prime is 2856948973. The next prime is 2856948989. The reversal of 2856948988 is 8898496582.

2856948988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856948989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063578 + ... + 2064961.

It is an arithmetic number, because the mean of its divisors is an integer number (419046810).

Almost surely, 22856948988 is an apocalyptic number.

It is an amenable number.

2856948988 is a deficient number, since it is larger than the sum of its proper divisors (2171612732).

2856948988 is a wasteful number, since it uses less digits than its factorization.

2856948988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128716 (or 4128714 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 67.

The square root of 2856948988 is about 53450.4348719447. The cubic root of 2856948988 is about 1418.9513165830.

The spelling of 2856948988 in words is "two billion, eight hundred fifty-six million, nine hundred forty-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 4 173 346 692 4128539 8257078 16514156 714237247 1428474494 2856948988