Base | Representation |
---|---|
bin | 10010011000110110100111… |
… | …001110110000101100101111 |
3 | 101121100100200122022121021100 |
4 | 102120312213032300230233 |
5 | 41100004340142142233 |
6 | 444000232012134143 |
7 | 23014602003162351 |
oct | 2230664716605457 |
9 | 347310618277240 |
10 | 80872744880943 |
11 | 2384aa36156654 |
12 | 90a181a767353 |
13 | 3618361b25032 |
14 | 15d83942c90d1 |
15 | 953a442d9813 |
hex | 498da73b0b2f |
80872744880943 has 24 divisors (see below), whose sum is σ = 117416649718368. Its totient is φ = 53638061545152.
The previous prime is 80872744880869. The next prime is 80872744880953. The reversal of 80872744880943 is 34908844727808.
It is a happy number.
80872744880943 is a `hidden beast` number, since 8 + 0 + 8 + 72 + 74 + 488 + 0 + 9 + 4 + 3 = 666.
It is a de Polignac number, because none of the positive numbers 2k-80872744880943 is a prime.
It is a super-2 number, since 2×808727448809432 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80872744880953) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26508405 + ... + 29401377.
It is an arithmetic number, because the mean of its divisors is an integer number (4892360404932).
Almost surely, 280872744880943 is an apocalyptic number.
80872744880943 is a deficient number, since it is larger than the sum of its proper divisors (36543904837425).
80872744880943 is a wasteful number, since it uses less digits than its factorization.
80872744880943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2908943 (or 2908940 counting only the distinct ones).
The product of its (nonzero) digits is 693633024, while the sum is 72.
The spelling of 80872744880943 in words is "eighty trillion, eight hundred seventy-two billion, seven hundred forty-four million, eight hundred eighty thousand, nine hundred forty-three".
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