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2101130075 = 521141331563
BaseRepresentation
bin111110100111100…
…1011001101011011
312102102122110121102
41331033023031123
513300342130300
6544254302015
7103032211442
oct17517131533
95372573542
102101130075
11989040140
124a77b790b
132763c5345
1415d0a1d59
15c46dc0d5
hex7d3cb35b

2101130075 has 48 divisors (see below), whose sum is σ = 2925562752. Its totient is φ = 1483680000.

The previous prime is 2101130047. The next prime is 2101130081. The reversal of 2101130075 is 5700311012.

It is a de Polignac number, because none of the positive numbers 2k-2101130075 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3731744 + ... + 3732306.

It is an arithmetic number, because the mean of its divisors is an integer number (60949224).

Almost surely, 22101130075 is an apocalyptic number.

2101130075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2101130075 is a deficient number, since it is larger than the sum of its proper divisors (824432677).

2101130075 is a wasteful number, since it uses less digits than its factorization.

2101130075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 2101130075 is about 45838.0854203140. The cubic root of 2101130075 is about 1280.8088302243.

Adding to 2101130075 its reverse (5700311012), we get a palindrome (7801441087).

The spelling of 2101130075 in words is "two billion, one hundred one million, one hundred thirty thousand, seventy-five".

Divisors: 1 5 11 25 41 55 205 275 331 451 563 1025 1655 2255 2815 3641 6193 8275 11275 13571 14075 18205 23083 30965 67855 91025 115415 149281 154825 186353 253913 339275 577075 746405 931765 1269565 2049883 3732025 4658825 6347825 7640473 10249415 38202365 51247075 84045203 191011825 420226015 2101130075