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252225135360 = 28375118191
BaseRepresentation
bin1110101011100111001…
…0100010001100000000
3220010001000002110000000
43222321302202030000
513113024113312420
6311512020000000
724136242163602
oct3527162421400
9803030073000
10252225135360
1197a715713a0
1240a71830000
131aa28081233
14c2ca153172
15686334d690
hex3ab9ca2300

252225135360 has 576 divisors, whose sum is σ = 988592209920. Its totient is φ = 61138022400.

The previous prime is 252225135347. The next prime is 252225135361. The reversal of 252225135360 is 63531522252.

252225135360 is a `hidden beast` number, since 2 + 52 + 2 + 251 + 353 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is not an unprimeable number, because it can be changed into a prime (252225135361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30788865 + ... + 30797055.

It is an arithmetic number, because the mean of its divisors is an integer number (1716305920).

Almost surely, 2252225135360 is an apocalyptic number.

252225135360 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 252225135360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494296104960).

252225135360 is an abundant number, since it is smaller than the sum of its proper divisors (736367074560).

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

252225135360 is an frugal number, since it uses more digits than its factorization.

252225135360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244 (or 8212 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 252225135360 in words is "two hundred fifty-two billion, two hundred twenty-five million, one hundred thirty-five thousand, three hundred sixty".