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1130784161 = 13103844499
BaseRepresentation
bin100001101100110…
…0110010110100001
32220210202210020212
41003121212112201
54303440043121
6304112343505
740010335553
oct10331462641
92823683225
101130784161
11530330971
12276844b95
1315036b870
14aa2734d3
156941725b
hex436665a1

1130784161 has 8 divisors (see below), whose sum is σ = 1229592000. Its totient is φ = 1033665552.

The previous prime is 1130784157. The next prime is 1130784169. The reversal of 1130784161 is 1614870311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1130784161 - 22 = 1130784157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1130784169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420911 + ... + 423588.

It is an arithmetic number, because the mean of its divisors is an integer number (153699000).

Almost surely, 21130784161 is an apocalyptic number.

It is an amenable number.

1130784161 is a deficient number, since it is larger than the sum of its proper divisors (98807839).

1130784161 is a wasteful number, since it uses less digits than its factorization.

1130784161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844615.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1130784161 is about 33627.1342965766. The cubic root of 1130784161 is about 1041.8213157428.

The spelling of 1130784161 in words is "one billion, one hundred thirty million, seven hundred eighty-four thousand, one hundred sixty-one".

Divisors: 1 13 103 1339 844499 10978487 86983397 1130784161