Base | Representation |
---|---|
bin | 10010111111110100010… |
… | …100001100101111011101 |
3 | 11121210122201200210211221 |
4 | 102333310110030233131 |
5 | 132342102322321321 |
6 | 2435420531013341 |
7 | 163213602064243 |
oct | 22776424145735 |
9 | 4553581623757 |
10 | 1305474026461 |
11 | 463715066300 |
12 | 19101473a251 |
13 | 9614b215a57 |
14 | 472845a0793 |
15 | 23e597b3e41 |
hex | 12ff450cbdd |
1305474026461 has 24 divisors (see below), whose sum is σ = 1448847267840. Its totient is φ = 1175328110880.
The previous prime is 1305474026443. The next prime is 1305474026473. The reversal of 1305474026461 is 1646204745031.
It is not a de Polignac number, because 1305474026461 - 213 = 1305474018269 is a prime.
It is a super-3 number, since 3×13054740264613 (a number of 37 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1305474026401) 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, 8483160 + ... + 8635678.
It is an arithmetic number, because the mean of its divisors is an integer number (60368636160).
Almost surely, 21305474026461 is an apocalyptic number.
1305474026461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1305474026461 is a deficient number, since it is larger than the sum of its proper divisors (143373241379).
1305474026461 is a wasteful number, since it uses less digits than its factorization.
1305474026461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153225 (or 153214 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 43.
The spelling of 1305474026461 in words is "one trillion, three hundred five billion, four hundred seventy-four million, twenty-six thousand, four hundred sixty-one".
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