Search a number
-
+
2101513300 = 225231367141
BaseRepresentation
bin111110101000010…
…1000110001010100
312102110100221021221
41331100220301110
513300441411200
6544310420124
7103035365635
oct17520506124
95373327257
102101513300
11989282057
124a7961644
132764ca8c3
1415d16188c
15c476591a
hex7d428c54

2101513300 has 36 divisors (see below), whose sum is σ = 4574921596. Its totient is φ = 837907200.

The previous prime is 2101513279. The next prime is 2101513307. The reversal of 2101513300 is 33151012.

It can be written as a sum of positive squares in 6 ways, for example, as 160934596 + 1940578704 = 12686^2 + 44052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101513307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2271 + ... + 64870.

Almost surely, 22101513300 is an apocalyptic number.

2101513300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101513300 is an abundant number, since it is smaller than the sum of its proper divisors (2473408296).

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

2101513300 is a wasteful number, since it uses less digits than its factorization.

2101513300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67468 (or 67461 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 2101513300 is about 45842.2654326769. The cubic root of 2101513300 is about 1280.8866943749.

Adding to 2101513300 its reverse (33151012), we get a palindrome (2134664312).

The spelling of 2101513300 in words is "two billion, one hundred one million, five hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 313 626 1252 1565 3130 6260 7825 15650 31300 67141 134282 268564 335705 671410 1342820 1678525 3357050 6714100 21015133 42030266 84060532 105075665 210151330 420302660 525378325 1050756650 2101513300