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2165461130 = 257122925171
BaseRepresentation
bin1000000100010010…
…0101000010001010
312120220200211020002
42001010211002022
513413324224010
6554513203002
7104443054520
oct20104450212
95526624202
102165461130
11a11389aa8
12505260462
1328682a761
1416784a310
15ca1981a5
hex8112508a

2165461130 has 32 divisors (see below), whose sum is σ = 4458464640. Its totient is φ = 741810240.

The previous prime is 2165461099. The next prime is 2165461147. The reversal of 2165461130 is 311645612.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2165461093 and 2165461102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73445 + ... + 98615.

It is an arithmetic number, because the mean of its divisors is an integer number (139327020).

Almost surely, 22165461130 is an apocalyptic number.

2165461130 is an abundant number, since it is smaller than the sum of its proper divisors (2293003510).

2165461130 is a wasteful number, since it uses less digits than its factorization.

2165461130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26414.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2165461130 is about 46534.5154697027. The cubic root of 2165461130 is about 1293.7493090306.

The spelling of 2165461130 in words is "two billion, one hundred sixty-five million, four hundred sixty-one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1229 2458 6145 8603 12290 17206 25171 43015 50342 86030 125855 176197 251710 352394 880985 1761970 30935159 61870318 154675795 216546113 309351590 433092226 1082730565 2165461130