Search a number
-
+
2120554300 = 225221205543
BaseRepresentation
bin111111001100101…
…0001011100111100
312110210012022122011
41332121101130330
513320330214200
6550230501004
7103356262024
oct17631213474
95423168564
102120554300
11998aa7917
124b2204764
1327a436677
141618baa84
15c62775ba
hex7e65173c

2120554300 has 18 divisors (see below), whose sum is σ = 4601603048. Its totient is φ = 848221680.

The previous prime is 2120554291. The next prime is 2120554309. The reversal of 2120554300 is 34550212.

It is an interprime number because it is at equal distance from previous prime (2120554291) and next prime (2120554309).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120554309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10602672 + ... + 10602871.

Almost surely, 22120554300 is an apocalyptic number.

2120554300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120554300 is an abundant number, since it is smaller than the sum of its proper divisors (2481048748).

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

2120554300 is a wasteful number, since it uses less digits than its factorization.

2120554300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21205557 (or 21205550 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2120554300 is about 46049.4766528350. The cubic root of 2120554300 is about 1284.7436088566.

The spelling of 2120554300 in words is "two billion, one hundred twenty million, five hundred fifty-four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21205543 42411086 84822172 106027715 212055430 424110860 530138575 1060277150 2120554300