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120120111230 = 2572269756281
BaseRepresentation
bin110111111011110110…
…1110111000001111110
3102111001101011220010112
41233313231313001332
53432001222024410
6131103222510022
711451455045630
oct1576755670176
9374041156115
10120120111230
1146a407424a9
121b343b95312
13b43404cac2
145b57290a50
1531d07ce105
hex1bf7b7707e

120120111230 has 32 divisors (see below), whose sum is σ = 247213460160. Its totient is φ = 41165832960.

The previous prime is 120120111197. The next prime is 120120111239. The reversal of 120120111230 is 32111021021.

It is a super-2 number, since 2×1201201112302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120111239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219311 + ... + 536970.

It is an arithmetic number, because the mean of its divisors is an integer number (7725420630).

Almost surely, 2120120111230 is an apocalyptic number.

120120111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120120111230 is an abundant number, since it is smaller than the sum of its proper divisors (127093348930).

120120111230 is a wasteful number, since it uses less digits than its factorization.

120120111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758564.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120120111230 its reverse (32111021021), we get a palindrome (152231132251).

The spelling of 120120111230 in words is "one hundred twenty billion, one hundred twenty million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2269 4538 11345 15883 22690 31766 79415 158830 756281 1512562 3781405 5293967 7562810 10587934 26469835 52939670 1716001589 3432003178 8580007945 12012011123 17160015890 24024022246 60060055615 120120111230