Search a number
-
+
225480053221920 = 2532571311995931447
BaseRepresentation
bin110011010001001010101010…
…011110011110101000100000
31002120100200102121001002101100
4303101022222132132220200
5214023231122111100140
62115320034554434400
765331252626221260
oct6321125236365040
91076320377032340
10225480053221920
116593260a877782
1221357665732a00
1398a78a7122a73
143d9741565b7a0
151b103c1023530
hexcd12aa79ea20

225480053221920 has 1152 divisors, whose sum is σ = 892655885721600. Its totient is φ = 50766943518720.

The previous prime is 225480053221919. The next prime is 225480053221967. The reversal of 225480053221920 is 29122350084522.

225480053221920 is a `hidden beast` number, since 2 + 2 + 5 + 4 + 8 + 0 + 0 + 532 + 21 + 92 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 155825882637 + ... + 155825884083.

It is an arithmetic number, because the mean of its divisors is an integer number (774874900800).

Almost surely, 2225480053221920 is an apocalyptic number.

225480053221920 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 225480053221920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446327942860800).

225480053221920 is an abundant number, since it is smaller than the sum of its proper divisors (667175832499680).

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

225480053221920 is a wasteful number, since it uses less digits than its factorization.

225480053221920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 225480053221920 in words is "two hundred twenty-five trillion, four hundred eighty billion, fifty-three million, two hundred twenty-one thousand, nine hundred twenty".