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80047533261312 = 2932174134971413
BaseRepresentation
bin10010001100110110000100…
…110010010000001000000000
3101111102110200020001212220200
4102030312010302100020000
540442444322003330222
6442125155031205200
722601146332145161
oct2214660462201000
9344373606055820
1080047533261312
1123561a71766981
128b898b8b16800
1335885b084a046
1415aa46d851768
1593c347972eac
hex48cd84c90200

80047533261312 has 480 divisors, whose sum is σ = 251299824375600. Its totient is φ = 24429896663040.

The previous prime is 80047533261191. The next prime is 80047533261313. The reversal of 80047533261312 is 21316233574008.

80047533261312 is a `hidden beast` number, since 8 + 0 + 0 + 4 + 7 + 5 + 3 + 326 + 1 + 312 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 39103710863616 + 40943822397696 = 6253296^2 + 6398736^2 .

It is a super-3 number, since 3×800475332613123 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (80047533261313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1120874118 + ... + 1120945530.

Almost surely, 280047533261312 is an apocalyptic number.

80047533261312 is a gapful number since it is divisible by the number (82) 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 80047533261312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125649912187800).

80047533261312 is an abundant number, since it is smaller than the sum of its proper divisors (171252291114288).

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

80047533261312 is a wasteful number, since it uses less digits than its factorization.

80047533261312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71844 (or 71825 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 80047533261312 in words is "eighty trillion, forty-seven billion, five hundred thirty-three million, two hundred sixty-one thousand, three hundred twelve".