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2851080388 = 221354828469
BaseRepresentation
bin1010100111110000…
…0000100011000100
321100200210220000221
42221330000203010
521314334033023
61150524314124
7130436532502
oct25174004304
97320726027
102851080388
1112333a6992
126769a2944
133658a3320
141d091d672
1511a47985d
hexa9f008c4

2851080388 has 12 divisors (see below), whose sum is σ = 5373190060. Its totient is φ = 1315883232.

The previous prime is 2851080373. The next prime is 2851080497. The reversal of 2851080388 is 8830801582.

It can be written as a sum of positive squares in 2 ways, for example, as 732135364 + 2118945024 = 27058^2 + 46032^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27414183 + ... + 27414286.

Almost surely, 22851080388 is an apocalyptic number.

It is an amenable number.

2851080388 is a deficient number, since it is larger than the sum of its proper divisors (2522109672).

2851080388 is a wasteful number, since it uses less digits than its factorization.

2851080388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54828486 (or 54828484 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 2851080388 is about 53395.5090620925. The cubic root of 2851080388 is about 1417.9790712428.

The spelling of 2851080388 in words is "two billion, eight hundred fifty-one million, eighty thousand, three hundred eighty-eight".

Divisors: 1 2 4 13 26 52 54828469 109656938 219313876 712770097 1425540194 2851080388