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2101130120 = 235139937547
BaseRepresentation
bin111110100111100…
…1011001110001000
312102102122110200002
41331033023032020
513300342130440
6544254302132
7103032211535
oct17517131610
95372573602
102101130120
11989040181
124a77b7948
132763c537b
1415d0a1d8c
15c46dc115
hex7d3cb388

2101130120 has 32 divisors (see below), whose sum is σ = 4731048000. Its totient is φ = 839828928.

The previous prime is 2101130111. The next prime is 2101130149. The reversal of 2101130120 is 210311012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37187 + ... + 74733.

It is an arithmetic number, because the mean of its divisors is an integer number (147845250).

Almost surely, 22101130120 is an apocalyptic number.

2101130120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101130120 is an abundant number, since it is smaller than the sum of its proper divisors (2629917880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101130120 is a wasteful number, since it uses less digits than its factorization.

2101130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38957 (or 38953 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2101130120 is about 45838.0859111722. The cubic root of 2101130120 is about 1280.8088393680.

Adding to 2101130120 its reverse (210311012), we get a palindrome (2311441132).

The spelling of 2101130120 in words is "two billion, one hundred one million, one hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1399 2798 5596 6995 11192 13990 27980 37547 55960 75094 150188 187735 300376 375470 750940 1501880 52528253 105056506 210113012 262641265 420226024 525282530 1050565060 2101130120