Base | Representation |
---|---|
bin | 100000011101100111… |
… | …1110101110111001101 |
3 | 20122221110012222112121 |
4 | 1000323033311313031 |
5 | 2120233123012021 |
6 | 52005333532541 |
7 | 5015364563500 |
oct | 1007317656715 |
9 | 218843188477 |
10 | 69713485261 |
11 | 27624499332 |
12 | 11616aa4151 |
13 | 675cc8b8c4 |
14 | 3534953137 |
15 | 1c303b7741 |
hex | 103b3f5dcd |
69713485261 has 6 divisors (see below), whose sum is σ = 81095278830. Its totient is φ = 59754415896.
The previous prime is 69713485241. The next prime is 69713485271. The reversal of 69713485261 is 16258431796.
It can be written as a sum of positive squares in only one way, i.e., 69706032361 + 7452900 = 264019^2 + 2730^2 .
It is not a de Polignac number, because 69713485261 - 27 = 69713485133 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 69713485199 and 69713485208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69713485201) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 711362046 + ... + 711362143.
It is an arithmetic number, because the mean of its divisors is an integer number (13515879805).
Almost surely, 269713485261 is an apocalyptic number.
It is an amenable number.
69713485261 is a deficient number, since it is larger than the sum of its proper divisors (11381793569).
69713485261 is a wasteful number, since it uses less digits than its factorization.
69713485261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1422724203 (or 1422724196 counting only the distinct ones).
The product of its digits is 2177280, while the sum is 52.
The spelling of 69713485261 in words is "sixty-nine billion, seven hundred thirteen million, four hundred eighty-five thousand, two hundred sixty-one".
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