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71375050506240 = 21936513317
BaseRepresentation
bin10000001110101001001100…
…100010000000000000000000
3100100201101110222201222000000
4100032221030202000000000
533323402100412144430
6411445125012000000
721014451201055155
oct2016511442000000
9310641428658000
1071375050506240
1120818a972a3488
128008b68000000
1330a983b6ac000
14138a7dc6b422c
1583b96760ce60
hex40ea4c880000

71375050506240 has 2240 divisors, whose sum is σ = 294591609774000. Its totient is φ = 16535758307328.

The previous prime is 71375050506203. The next prime is 71375050506289. The reversal of 71375050506240 is 4260505057317.

It is a happy number.

71375050506240 is a `hidden beast` number, since 7 + 1 + 3 + 7 + 50 + 50 + 506 + 2 + 40 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 963350102016 + 70411700404224 = 981504^2 + 8391168^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 4198532382712 + ... + 4198532382728.

Almost surely, 271375050506240 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 71375050506240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147295804887000).

71375050506240 is an abundant number, since it is smaller than the sum of its proper divisors (223216559267760).

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

71375050506240 is an frugal number, since it uses more digits than its factorization.

71375050506240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 71375050506240 in words is "seventy-one trillion, three hundred seventy-five billion, fifty million, five hundred six thousand, two hundred forty".