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2130423650 = 25242608473
BaseRepresentation
bin111111011111011…
…1010111101100010
312111110202201211122
41332332322331202
513330342024100
6551222212242
7103536205445
oct17676727542
95443681748
102130423650
119a3628903
124b5584082
1327c4b0914
14162d2965c
15c7076985
hex7efbaf62

2130423650 has 12 divisors (see below), whose sum is σ = 3962588082. Its totient is φ = 852169440.

The previous prime is 2130423649. The next prime is 2130423689. The reversal of 2130423650 is 563240312.

It can be written as a sum of positive squares in 3 ways, for example, as 1172583049 + 957840601 = 34243^2 + 30949^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21304187 + ... + 21304286.

Almost surely, 22130423650 is an apocalyptic number.

2130423650 is a deficient number, since it is larger than the sum of its proper divisors (1832164432).

2130423650 is a wasteful number, since it uses less digits than its factorization.

2130423650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42608485 (or 42608480 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2130423650 is about 46156.5125415688. The cubic root of 2130423650 is about 1286.7336489451.

Adding to 2130423650 its reverse (563240312), we get a palindrome (2693663962).

The spelling of 2130423650 in words is "two billion, one hundred thirty million, four hundred twenty-three thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 42608473 85216946 213042365 426084730 1065211825 2130423650