Base | Representation |
---|---|
bin | 10010011001011011010111… |
… | …010111000011101100101111 |
3 | 101121111010112211101102001010 |
4 | 102121123113113003230233 |
5 | 41101131200002133301 |
6 | 444030315455520303 |
7 | 23020466630220300 |
oct | 2231332727035457 |
9 | 347433484342033 |
10 | 80912207067951 |
11 | 23865746570846 |
12 | 90a93b2529093 |
13 | 361bcb064324c |
14 | 15da25929a7a7 |
15 | 954aa39895d6 |
hex | 4996d75c3b2f |
80912207067951 has 24 divisors (see below), whose sum is σ = 125500726783920. Its totient is φ = 46233983924352.
The previous prime is 80912207067929. The next prime is 80912207067973. The reversal of 80912207067951 is 15976070221908.
It is an interprime number because it is at equal distance from previous prime (80912207067929) and next prime (80912207067973).
It is not a de Polignac number, because 80912207067951 - 211 = 80912207065903 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80912207067891 and 80912207067900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80912207068951) 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, 4933126 + ... + 13644051.
It is an arithmetic number, because the mean of its divisors is an integer number (5229196949330).
Almost surely, 280912207067951 is an apocalyptic number.
80912207067951 is a deficient number, since it is larger than the sum of its proper divisors (44588519715969).
80912207067951 is a wasteful number, since it uses less digits than its factorization.
80912207067951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18606823 (or 18606816 counting only the distinct ones).
The product of its (nonzero) digits is 3810240, while the sum is 57.
The spelling of 80912207067951 in words is "eighty trillion, nine hundred twelve billion, two hundred seven million, sixty-seven thousand, nine hundred fifty-one".
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