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253315302240000 = 28354711133714249
BaseRepresentation
bin111001100110001110010000…
…100110110010111100000000
31020012220201001221211221221010
4321212032100212302330000
5231200304214333140000
62254431235431400520
7104233266223104120
oct7146162046627400
91205821057757833
10253315302240000
117379446421a850
12244b2252223140
13ab466b868cc20
14467a751684c80
151e444a4218d50
hexe663909b2f00

253315302240000 has 2880 divisors, whose sum is σ = 1161795406464000. Its totient is φ = 47271444480000.

The previous prime is 253315302239941. The next prime is 253315302240019. The reversal of 253315302240000 is 42203513352.

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

It is a self number, because there is not a number n which added to its sum of digits gives 253315302240000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 17777752876 + ... + 17777767124.

It is an arithmetic number, because the mean of its divisors is an integer number (403401182800).

Almost surely, 2253315302240000 is an apocalyptic number.

253315302240000 is a gapful number since it is divisible by the number (20) 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 253315302240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580897703232000).

253315302240000 is an abundant number, since it is smaller than the sum of its proper divisors (908480104224000).

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

253315302240000 is a wasteful number, since it uses less digits than its factorization.

253315302240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14356 (or 14327 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 253315302240000 its reverse (42203513352), we get a palindrome (253357505753352).

The spelling of 253315302240000 in words is "two hundred fifty-three trillion, three hundred fifteen billion, three hundred two million, two hundred forty thousand".