Search a number
-
+
2120240204 = 221731180003
BaseRepresentation
bin111111001100000…
…0100110001001100
312110202121100202222
41332120010301030
513320240141304
6550220034512
7103353513215
oct17630046114
95422540688
102120240204
11998902935
124b2092a38
1327a356704
1416183840c
15c62144be
hex7e604c4c

2120240204 has 12 divisors (see below), whose sum is σ = 3928680504. Its totient is φ = 997760064.

The previous prime is 2120240201. The next prime is 2120240207. The reversal of 2120240204 is 4020420212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2120240201) and next prime (2120240207).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2120240201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15589934 + ... + 15590069.

It is an arithmetic number, because the mean of its divisors is an integer number (327390042).

Almost surely, 22120240204 is an apocalyptic number.

It is an amenable number.

2120240204 is a deficient number, since it is larger than the sum of its proper divisors (1808440300).

2120240204 is a wasteful number, since it uses less digits than its factorization.

2120240204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31180024 (or 31180022 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2120240204 is about 46046.0661077578. The cubic root of 2120240204 is about 1284.6801737517.

Adding to 2120240204 its reverse (4020420212), we get a palindrome (6140660416).

The spelling of 2120240204 in words is "two billion, one hundred twenty million, two hundred forty thousand, two hundred four".

Divisors: 1 2 4 17 34 68 31180003 62360006 124720012 530060051 1060120102 2120240204