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225684351360 = 27345131719699
BaseRepresentation
bin1101001000101111010…
…1011110100110000000
3210120112022220220220000
43102023311132212000
512144200143220420
6251402234520000
722206445222566
oct3221365364600
9716468826800
10225684351360
1187791a29566
12378a5296000
1318388576110
14accd2cba36
155d0d277690
hex348bd5e980

225684351360 has 640 divisors, whose sum is σ = 919059372000. Its totient is φ = 52282589184.

The previous prime is 225684351329. The next prime is 225684351397. The reversal of 225684351360 is 63153486522.

225684351360 is a `hidden beast` number, since 2 + 2 + 56 + 84 + 3 + 513 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11446791 + ... + 11466489.

Almost surely, 2225684351360 is an apocalyptic number.

225684351360 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 225684351360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459529686000).

225684351360 is an abundant number, since it is smaller than the sum of its proper divisors (693375020640).

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

225684351360 is a wasteful number, since it uses less digits than its factorization.

225684351360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19760 (or 19739 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 225684351360 in words is "two hundred twenty-five billion, six hundred eighty-four million, three hundred fifty-one thousand, three hundred sixty".