Search a number
-
+
120220013100 = 22352111092831181
BaseRepresentation
bin110111111110110101…
…0111101001000101100
3102111022100011102201210
41233331222331020230
53432202310404400
6131121152034420
711454110152005
oct1577552751054
9374270142653
10120220013100
1146a92077230
121b371532a10
13b44b95aa35
145b666581ac
1531d9464950
hex1bfdabd22c

120220013100 has 288 divisors, whose sum is σ = 384617882880. Its totient is φ = 28750464000.

The previous prime is 120220013099. The next prime is 120220013117. The reversal of 120220013100 is 1310022021.

It is a super-2 number, since 2×1202200131002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101794510 + ... + 101795690.

It is an arithmetic number, because the mean of its divisors is an integer number (1335478760).

Almost surely, 2120220013100 is an apocalyptic number.

120220013100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120220013100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192308941440).

120220013100 is an abundant number, since it is smaller than the sum of its proper divisors (264397869780).

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

120220013100 is a wasteful number, since it uses less digits than its factorization.

120220013100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120220013100 its reverse (1310022021), we get a palindrome (121530035121).

The spelling of 120220013100 in words is "one hundred twenty billion, two hundred twenty million, thirteen thousand, one hundred".