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13405455530250 = 2353729317277757
BaseRepresentation
bin1100001100010011001101…
…1010100011100100001010
31202110112211020121112212020
43003010303122203210022
53224113333103432000
644302214203425310
72552340453631410
oct303046332434412
952415736545766
1013405455530250
1142a9249192783
121606097b25236
1376318a63a264
14344b829872b0
15183a8eeb8ba0
hexc31336a390a

13405455530250 has 256 divisors, whose sum is σ = 39683574328320. Its totient is φ = 2949102105600.

The previous prime is 13405455530231. The next prime is 13405455530293. The reversal of 13405455530250 is 5203555450431.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48124372 + ... + 48402128.

It is an arithmetic number, because the mean of its divisors is an integer number (155013962220).

Almost surely, 213405455530250 is an apocalyptic number.

13405455530250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13405455530250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19841787164160).

13405455530250 is an abundant number, since it is smaller than the sum of its proper divisors (26278118798070).

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

13405455530250 is a wasteful number, since it uses less digits than its factorization.

13405455530250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278130 (or 278120 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 13405455530250 in words is "thirteen trillion, four hundred five billion, four hundred fifty-five million, five hundred thirty thousand, two hundred fifty".