Search a number
-
+
556189420891104 = 253471121319487717
BaseRepresentation
bin111111001110110011111000…
…0110111000010101111100000
32200221022012010001002201210000
41332131213300313002233200
51040400101413222003404
65250525520445140000
7225103234225203150
oct17635476067025740
92627265101081700
10556189420891104
111512456772a0400
125246929b85a600
131ab4658bab5770
149b4b9d6906760
154447b6ad19339
hex1f9d9f0dc2be0

556189420891104 has 720 divisors, whose sum is σ = 2212873407781344. Its totient is φ = 133352102062080.

The previous prime is 556189420891067. The next prime is 556189420891121. The reversal of 556189420891104 is 401198024981655.

556189420891104 is a `hidden beast` number, since 5 + 5 + 6 + 18 + 9 + 420 + 8 + 91 + 104 = 666.

It is a super-2 number, since 2×5561894208911042 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 18796654 + ... + 38284370.

Almost surely, 2556189420891104 is an apocalyptic number.

556189420891104 is a gapful number since it is divisible by the number (54) 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 556189420891104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106436703890672).

556189420891104 is an abundant number, since it is smaller than the sum of its proper divisors (1656683986890240).

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

556189420891104 is a wasteful number, since it uses less digits than its factorization.

556189420891104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19487781 (or 19487753 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 63.

The spelling of 556189420891104 in words is "five hundred fifty-six trillion, one hundred eighty-nine billion, four hundred twenty million, eight hundred ninety-one thousand, one hundred four".