Search a number
-
+
2131849100 = 225265332647
BaseRepresentation
bin111111100010001…
…0110111110001100
312111120110011012002
41333010112332030
513331223132400
6551312531432
7103554263333
oct17704267614
95446404162
102131849100
119a4411867
124b5b50b78
1327c88c694
141631bad1a
15c7258ed5
hex7f116f8c

2131849100 has 36 divisors (see below), whose sum is σ = 4633338864. Its totient is φ = 851407680.

The previous prime is 2131849099. The next prime is 2131849121. The reversal of 2131849100 is 19481312.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48977 + ... + 81623.

Almost surely, 22131849100 is an apocalyptic number.

2131849100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131849100 is an abundant number, since it is smaller than the sum of its proper divisors (2501489764).

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

2131849100 is a wasteful number, since it uses less digits than its factorization.

2131849100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33314 (or 33307 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 2131849100 is about 46171.9514424071. The cubic root of 2131849100 is about 1287.0205661434.

The spelling of 2131849100 in words is "two billion, one hundred thirty-one million, eight hundred forty-nine thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 653 1306 2612 3265 6530 13060 16325 32647 32650 65294 65300 130588 163235 326470 652940 816175 1632350 3264700 21318491 42636982 85273964 106592455 213184910 426369820 532962275 1065924550 2131849100