Base | Representation |
---|---|
bin | 11101101111101001101100… |
… | …11100000110001111111000 |
3 | 22120121000222121020202112201 |
4 | 32313310312130012033320 |
5 | 32033130032343123242 |
6 | 351040244403315544 |
7 | 16530433154655250 |
oct | 1667646634061770 |
9 | 276530877222481 |
10 | 65408970286072 |
11 | 19928874577726 |
12 | 740484397bbb4 |
13 | 2a6606882936a |
14 | 1221b4d760960 |
15 | 78668647a4b7 |
hex | 3b7d367063f8 |
65408970286072 has 32 divisors (see below), whose sum is σ = 148406907373920. Its totient is φ = 26383450199040.
The previous prime is 65408970286001. The next prime is 65408970286097. The reversal of 65408970286072 is 27068207980456.
It is a junction number, because it is equal to n+sod(n) for n = 65408970285995 and 65408970286013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34353449829 + ... + 34353451732.
It is an arithmetic number, because the mean of its divisors is an integer number (4637715855435).
Almost surely, 265408970286072 is an apocalyptic number.
It is an amenable number.
65408970286072 is an abundant number, since it is smaller than the sum of its proper divisors (82997937087848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65408970286072 is a wasteful number, since it uses less digits than its factorization.
65408970286072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68706901591 (or 68706901587 counting only the distinct ones).
The product of its (nonzero) digits is 81285120, while the sum is 64.
The spelling of 65408970286072 in words is "sixty-five trillion, four hundred eight billion, nine hundred seventy million, two hundred eighty-six thousand, seventy-two".
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