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550286379000 = 2337531719241
BaseRepresentation
bin10000000000111111001…
…11111100011111111000
31221121101101220110000000
420000133213330133320
533003441303112000
61100444214513000
754520416021321
oct10003747743770
91847341813000
10550286379000
111a2414351306
128a795965760
133cb79329817
141c8c39bd448
15e4aa6e6000
hex801f9fc7f8

550286379000 has 1536 divisors, whose sum is σ = 2210733907200. Its totient is φ = 127650816000.

The previous prime is 550286378987. The next prime is 550286379001. The reversal of 550286379000 is 973682055.

It is a happy number.

550286379000 is a `hidden beast` number, since 5 + 5 + 0 + 2 + 8 + 637 + 9 + 0 + 0 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550286379001) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 13421618980 + ... + 13421619020.

Almost surely, 2550286379000 is an apocalyptic number.

550286379000 is a gapful number since it is divisible by the number (50) 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 550286379000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105366953600).

550286379000 is an abundant number, since it is smaller than the sum of its proper divisors (1660447528200).

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

550286379000 is a wasteful number, since it uses less digits than its factorization.

550286379000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 550286379000 in words is "five hundred fifty billion, two hundred eighty-six million, three hundred seventy-nine thousand".