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71416404000 = 253453220421
BaseRepresentation
bin100001010000010111…
…1111101100000100000
320211100010120012220000
41002200233331200200
52132230044412000
652450325220000
75105523263244
oct1024057754040
9224303505800
1071416404000
1128318775397
1211a11261600
136971a1a826
143656b98424
151cceb46000
hex10a0bfd820

71416404000 has 240 divisors, whose sum is σ = 262123197336. Its totient is φ = 19044288000.

The previous prime is 71416403969. The next prime is 71416404001. The reversal of 71416404000 is 40461417.

71416404000 is a `hidden beast` number, since 7 + 14 + 1 + 640 + 4 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6324066576 + 65092337424 = 79524^2 + 255132^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (71416404001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 213790 + ... + 434210.

Almost surely, 271416404000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71416404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131061598668).

71416404000 is an abundant number, since it is smaller than the sum of its proper divisors (190706793336).

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

71416404000 is a wasteful number, since it uses less digits than its factorization.

71416404000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220458 (or 220431 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 71416404000 its reverse (40461417), we get a palindrome (71456865417).

The spelling of 71416404000 in words is "seventy-one billion, four hundred sixteen million, four hundred four thousand".