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71462196864 = 273419261313
BaseRepresentation
bin100001010001101111…
…0101001011010000000
320211110022201201220000
41002203132221122000
52132323310244424
652455042520000
75106620436162
oct1024336513200
9224408651800
1071462196864
1128341602233
1211a24666000
13697b361cb6
14365ccb8932
151cd3b8e3c9
hex10a37a9680

71462196864 has 480 divisors, whose sum is σ = 228861038340. Its totient is φ = 22126141440.

The previous prime is 71462196859. The next prime is 71462196877. The reversal of 71462196864 is 46869126417.

71462196864 is a `hidden beast` number, since 7 + 1 + 4 + 621 + 9 + 6 + 8 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44960961600 + 26501235264 = 212040^2 + 162792^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 71462196864.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 228313572 + ... + 228313884.

Almost surely, 271462196864 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 71462196864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114430519170).

71462196864 is an abundant number, since it is smaller than the sum of its proper divisors (157398841476).

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

71462196864 is a wasteful number, since it uses less digits than its factorization.

71462196864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 398 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 71462196864 in words is "seventy-one billion, four hundred sixty-two million, one hundred ninety-six thousand, eight hundred sixty-four".