Search a number
-
+
250100506656 = 253571121323127
BaseRepresentation
bin1110100011101100100…
…1101110000000100000
3212220112221020010100000
43220323021232000200
513044201212203111
6310521121500000
724032503142040
oct3507311560040
9786487203300
10250100506656
1197081241400
124057a1a1600
131a779b4c1a0
14c167cd5720
15678ba6dc56
hex3a3b26e020

250100506656 has 1728 divisors, whose sum is σ = 1049380061184. Its totient is φ = 56905390080.

The previous prime is 250100506651. The next prime is 250100506681. The reversal of 250100506656 is 656605001052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 250100506656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250100506651) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1969295265 + ... + 1969295391.

It is an arithmetic number, because the mean of its divisors is an integer number (607280128).

Almost surely, 2250100506656 is an apocalyptic number.

250100506656 is a gapful number since it is divisible by the number (26) 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 250100506656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524690030592).

250100506656 is an abundant number, since it is smaller than the sum of its proper divisors (799279554528).

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

250100506656 is a wasteful number, since it uses less digits than its factorization.

250100506656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 250100506656 in words is "two hundred fifty billion, one hundred million, five hundred six thousand, six hundred fifty-six".