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2130110100 = 2232522366789
BaseRepresentation
bin111111011110110…
…1110011010010100
312111110011210201200
41332331232122110
513330302010400
6551211352500
7103533431346
oct17675563224
95443153650
102130110100
119a3434278
124b5452730
1327c400ca1
14162c87296
15c7013b00
hex7ef6e694

2130110100 has 54 divisors (see below), whose sum is σ = 6676714590. Its totient is φ = 568029120.

The previous prime is 2130110089. The next prime is 2130110111. The reversal of 2130110100 is 10110312.

It is an interprime number because it is at equal distance from previous prime (2130110089) and next prime (2130110111).

It can be written as a sum of positive squares in 3 ways, for example, as 310746384 + 1819363716 = 17628^2 + 42654^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1182495 + ... + 1184294.

Almost surely, 22130110100 is an apocalyptic number.

2130110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130110100 is an abundant number, since it is smaller than the sum of its proper divisors (4546604490).

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

2130110100 is a wasteful number, since it uses less digits than its factorization.

2130110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366809 (or 2366799 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 2130110100 is about 46153.1158211447. The cubic root of 2130110100 is about 1286.6705198533.

Adding to 2130110100 its reverse (10110312), we get a palindrome (2140220412).

The spelling of 2130110100 in words is "two billion, one hundred thirty million, one hundred ten thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 2366789 4733578 7100367 9467156 11833945 14200734 21301101 23667890 28401468 35501835 42602202 47335780 59169725 71003670 85204404 106505505 118339450 142007340 177509175 213011010 236678900 355018350 426022020 532527525 710036700 1065055050 2130110100