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2130020043 = 32921515591
BaseRepresentation
bin111111011110101…
…1000011011001011
312111110000020012020
41332331120123023
513330241120133
6551205415523
7103532604654
oct17675303313
95443006166
102130020043
119a3382648
124b540a5a3
1327c39bcb8
14162c6252b
15c6ee70b3
hex7ef586cb

2130020043 has 24 divisors (see below), whose sum is σ = 2961344256. Its totient is φ = 1361724000.

The previous prime is 2130020017. The next prime is 2130020059. The reversal of 2130020043 is 3400200312.

It is not a de Polignac number, because 2130020043 - 221 = 2127922891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2130020443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378178 + ... + 383768.

It is an arithmetic number, because the mean of its divisors is an integer number (123389344).

Almost surely, 22130020043 is an apocalyptic number.

2130020043 is a deficient number, since it is larger than the sum of its proper divisors (831324213).

2130020043 is a wasteful number, since it uses less digits than its factorization.

2130020043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803 (or 5774 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2130020043 is about 46152.1401778942. The cubic root of 2130020043 is about 1286.6523869377.

Adding to 2130020043 its reverse (3400200312), we get a palindrome (5530220355).

The spelling of 2130020043 in words is "two billion, one hundred thirty million, twenty thousand, forty-three".

Divisors: 1 3 29 87 151 453 841 2523 4379 5591 13137 16773 126991 162139 380973 486417 844241 2532723 4702031 14106093 24482989 73448967 710006681 2130020043