Search a number
-
+
6390205167744 = 27371719292437
BaseRepresentation
bin101110011111101010111…
…1010001011100010000000
3211121220020101101220000000
41130333111322023202000
51314144120010331434
621331341510000000
71226451145500006
oct134772572134200
924556211356000
106390205167744
112044086252362
1287256a946000
133747946571b8
14181405198a76
15b13559edb99
hex5cfd5e8b880

6390205167744 has 1024 divisors, whose sum is σ = 22022746560000. Its totient is φ = 1833011970048.

The previous prime is 6390205167737. The next prime is 6390205167757. The reversal of 6390205167744 is 4477615020936.

6390205167744 is a `hidden beast` number, since 6 + 39 + 0 + 20 + 516 + 7 + 74 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2622159294 + ... + 2622161730.

Almost surely, 26390205167744 is an apocalyptic number.

6390205167744 is a gapful number since it is divisible by the number (64) 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 6390205167744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11011373280000).

6390205167744 is an abundant number, since it is smaller than the sum of its proper divisors (15632541392256).

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

6390205167744 is a wasteful number, since it uses less digits than its factorization.

6390205167744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 6390205167744 in words is "six trillion, three hundred ninety billion, two hundred five million, one hundred sixty-seven thousand, seven hundred forty-four".