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2120131110 = 235401176237
BaseRepresentation
bin111111001011110…
…1010001000100110
312110202101211010110
41332113222020212
513320223143420
6550213433450
7103352550156
oct17627521046
95422354113
102120131110
11998838979
124b203b886
1327a318b66
1416180a766
15c61e1ee0
hex7e5ea226

2120131110 has 32 divisors (see below), whose sum is σ = 5101032672. Its totient is φ = 563955200.

The previous prime is 2120131109. The next prime is 2120131147. The reversal of 2120131110 is 111310212.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 76089 + ... + 100148.

It is an arithmetic number, because the mean of its divisors is an integer number (159407271).

Almost surely, 22120131110 is an apocalyptic number.

2120131110 is an abundant number, since it is smaller than the sum of its proper divisors (2980901562).

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

2120131110 is a wasteful number, since it uses less digits than its factorization.

2120131110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176648.

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

The square root of 2120131110 is about 46044.8814744918. The cubic root of 2120131110 is about 1284.6581395654.

Adding to 2120131110 its reverse (111310212), we get a palindrome (2231441322).

The spelling of 2120131110 in words is "two billion, one hundred twenty million, one hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 401 802 1203 2005 2406 4010 6015 12030 176237 352474 528711 881185 1057422 1762370 2643555 5287110 70671037 141342074 212013111 353355185 424026222 706710370 1060065555 2120131110