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71466071040 = 21033571321923
BaseRepresentation
bin100001010001110110…
…1011011010000000000
320211110121000120021000
41002203231123100000
52132330303233130
652455301532000
75106665403150
oct1024355332000
9224417016230
1071466071040
1128343808a31
1211a25a14000
13697c0ba500
14365d606760
151cd41a7260
hex10a3b5b400

71466071040 has 2112 divisors, whose sum is σ = 345232281600. Its totient is φ = 13663862784.

The previous prime is 71466071003. The next prime is 71466071081. The reversal of 71466071040 is 4017066417.

71466071040 is a `hidden beast` number, since 7 + 1 + 4 + 6 + 607 + 1 + 0 + 40 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 71466070986 and 71466071004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3107220469 + ... + 3107220491.

Almost surely, 271466071040 is an apocalyptic number.

71466071040 is a gapful number since it is divisible by the number (70) 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 71466071040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172616140800).

71466071040 is an abundant number, since it is smaller than the sum of its proper divisors (273766210560).

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

71466071040 is a wasteful number, since it uses less digits than its factorization.

71466071040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 71466071040 in words is "seventy-one billion, four hundred sixty-six million, seventy-one thousand, forty".