Search a number
-
+
125530523040 = 25351322815507
BaseRepresentation
bin111010011101000110…
…0111100010110100000
3110000000102211021212010
41310322030330112200
54024041303214130
6133400134432520
712032522561166
oct1647214742640
9400012737763
10125530523040
1149267786a1a
12203b3b02740
13bab6c27100
14610ba67236
1533ea7a40b0
hex1d3a33c5a0

125530523040 has 288 divisors, whose sum is σ = 429779722176. Its totient is φ = 30784266240.

The previous prime is 125530523039. The next prime is 125530523087. The reversal of 125530523040 is 40325035521.

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

It is a junction number, because it is equal to n+sod(n) for n = 125530522989 and 125530523007.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22791967 + ... + 22797473.

It is an arithmetic number, because the mean of its divisors is an integer number (1492290702).

Almost surely, 2125530523040 is an apocalyptic number.

125530523040 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 125530523040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214889861088).

125530523040 is an abundant number, since it is smaller than the sum of its proper divisors (304249199136).

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

125530523040 is a wasteful number, since it uses less digits than its factorization.

125530523040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832 (or 5811 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 125530523040 its reverse (40325035521), we get a palindrome (165855558561).

The spelling of 125530523040 in words is "one hundred twenty-five billion, five hundred thirty million, five hundred twenty-three thousand, forty".