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2120213300 = 225221202133
BaseRepresentation
bin111111001011111…
…1110001100110100
312110202112222212112
41332113332030310
513320233311200
6550215310152
7103353341612
oct17627761464
95422488775
102120213300
119988946a7
124b207b358
1327a3473aa
1416182c6b2
15c620b535
hex7e5fe334

2120213300 has 18 divisors (see below), whose sum is σ = 4600863078. Its totient is φ = 848085280.

The previous prime is 2120213281. The next prime is 2120213351. The reversal of 2120213300 is 33120212.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21473956 + 2098739344 = 4634^2 + 45812^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10600967 + ... + 10601166.

Almost surely, 22120213300 is an apocalyptic number.

2120213300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120213300 is an abundant number, since it is smaller than the sum of its proper divisors (2480649778).

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

2120213300 is a wasteful number, since it uses less digits than its factorization.

2120213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21202147 (or 21202140 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2120213300 is about 46045.7739646105. The cubic root of 2120213300 is about 1284.6747399048.

Adding to 2120213300 its reverse (33120212), we get a palindrome (2153333512).

The spelling of 2120213300 in words is "two billion, one hundred twenty million, two hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21202133 42404266 84808532 106010665 212021330 424042660 530053325 1060106650 2120213300