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104221403520 = 2735136616317
BaseRepresentation
bin110000100010000010…
…1000110100110000000
3100222000100221212020020
41201010011012212000
53201421134403040
6115513442213440
710346463212253
oct1410405064600
9328010855206
10104221403520
11402222a1043
1218247654280
139a9c270650
14508996909a
152a9eb45cd0
hex1844146980

104221403520 has 256 divisors, whose sum is σ = 358357970880. Its totient is φ = 25611632640.

The previous prime is 104221403509. The next prime is 104221403599. The reversal of 104221403520 is 25304122401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16495402 + ... + 16501718.

Almost surely, 2104221403520 is an apocalyptic number.

104221403520 is a gapful number since it is divisible by the number (10) 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 104221403520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179178985440).

104221403520 is an abundant number, since it is smaller than the sum of its proper divisors (254136567360).

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

104221403520 is a wasteful number, since it uses less digits than its factorization.

104221403520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013 (or 7001 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 104221403520 its reverse (25304122401), we get a palindrome (129525525921).

The spelling of 104221403520 in words is "one hundred four billion, two hundred twenty-one million, four hundred three thousand, five hundred twenty".