Search a number
-
+
124238995120 = 245192329315967
BaseRepresentation
bin111001110110100111…
…0001001111010110000
3102212200102120212121201
41303231032021322300
54013420140320440
6133024040500544
711655521014522
oct1635516117260
9385612525551
10124238995120
1148764745979
12200b347a754
13b93c4973c6
14602830da12
1533721d919a
hex1ced389eb0

124238995120 has 640 divisors, whose sum is σ = 349691904000. Its totient is φ = 40747069440.

The previous prime is 124238995093. The next prime is 124238995121. The reversal of 124238995120 is 21599832421.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (124238995121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1854313327 + ... + 1854313393.

It is an arithmetic number, because the mean of its divisors is an integer number (546393600).

Almost surely, 2124238995120 is an apocalyptic number.

124238995120 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 124238995120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174845952000).

124238995120 is an abundant number, since it is smaller than the sum of its proper divisors (225452908880).

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

124238995120 is a wasteful number, since it uses less digits than its factorization.

124238995120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 124238995120 in words is "one hundred twenty-four billion, two hundred thirty-eight million, nine hundred ninety-five thousand, one hundred twenty".