Search a number
-
+
125102546220 = 223523438812393
BaseRepresentation
bin111010010000010110…
…0010101110100101100
3102221220121111211000210
41310200230111310230
54022202222434340
6133245445422420
712016105045311
oct1644054256454
9387817454023
10125102546220
1149068142673
12202b470aa10
13ba4936b6a2
1460aac9cd08
1533c2e16180
hex1d20b15d2c

125102546220 has 192 divisors, whose sum is σ = 374598411264. Its totient is φ = 31119728640.

The previous prime is 125102546209. The next prime is 125102546249. The reversal of 125102546220 is 22645201521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52277344 + ... + 52279736.

It is an arithmetic number, because the mean of its divisors is an integer number (1951033392).

Almost surely, 2125102546220 is an apocalyptic number.

125102546220 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 125102546220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187299205632).

125102546220 is an abundant number, since it is smaller than the sum of its proper divisors (249495865044).

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

125102546220 is a wasteful number, since it uses less digits than its factorization.

125102546220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 125102546220 its reverse (22645201521), we get a palindrome (147747747741).

The spelling of 125102546220 in words is "one hundred twenty-five billion, one hundred two million, five hundred forty-six thousand, two hundred twenty".