Search a number
-
+
2120200236 = 22327112312243
BaseRepresentation
bin111111001011111…
…1011000000101100
312110202112022221200
41332113323000230
513320232401421
6550215125500
7103353255540
oct17627730054
95422468850
102120200236
11998885900
124b2073890
1327a34146b
14161827a20
15c6207726
hex7e5fb02c

2120200236 has 216 divisors, whose sum is σ = 6952737792. Its totient is φ = 532699200.

The previous prime is 2120200231. The next prime is 2120200333. The reversal of 2120200236 is 6320020212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2120200231) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 944131 + ... + 946373.

Almost surely, 22120200236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120200236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3476368896).

2120200236 is an abundant number, since it is smaller than the sum of its proper divisors (4832537556).

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

2120200236 is a wasteful number, since it uses less digits than its factorization.

2120200236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2120200236 is about 46045.6321055537. The cubic root of 2120200236 is about 1284.6721013299.

Adding to 2120200236 its reverse (6320020212), we get a palindrome (8440220448).

The spelling of 2120200236 in words is "two billion, one hundred twenty million, two hundred thousand, two hundred thirty-six".