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2159110930 = 251731248041
BaseRepresentation
bin1000000010110001…
…0110101100010010
312120110202012101111
42000230112230102
513410213022210
6554125123534
7104335066024
oct20054265422
95513665344
102159110930
11a08841aa9
125030b95aa
13285416242
14166a76014
15c984188a
hex80b16b12

2159110930 has 16 divisors (see below), whose sum is σ = 3908867544. Its totient is φ = 858651520.

The previous prime is 2159110927. The next prime is 2159110931. The reversal of 2159110930 is 390119512.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2134717209 + 24393721 = 46203^2 + 4939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2159110892 and 2159110901.

It is not an unprimeable number, because it can be changed into a prime (2159110931) 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, 622291 + ... + 625750.

Almost surely, 22159110930 is an apocalyptic number.

2159110930 is a deficient number, since it is larger than the sum of its proper divisors (1749756614).

2159110930 is a wasteful number, since it uses less digits than its factorization.

2159110930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248221.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 2159110930 is about 46466.2342997579. The cubic root of 2159110930 is about 1292.4834338235.

The spelling of 2159110930 in words is "two billion, one hundred fifty-nine million, one hundred ten thousand, nine hundred thirty".

Divisors: 1 2 5 10 173 346 865 1730 1248041 2496082 6240205 12480410 215911093 431822186 1079555465 2159110930