Base | Representation |
---|---|
bin | 11011010001010000… |
… | …101110101101011001 |
3 | 2210120121122222212212 |
4 | 123101100232231121 |
5 | 434431320040140 |
6 | 21241253244505 |
7 | 2054413141031 |
oct | 332120565531 |
9 | 83517588785 |
10 | 29280627545 |
11 | 11466172944 |
12 | 5812033735 |
13 | 29b8332120 |
14 | 15baaaa8c1 |
15 | b658cb765 |
hex | 6d142eb59 |
29280627545 has 32 divisors (see below), whose sum is σ = 38455872000. Its totient is φ = 21272419584.
The previous prime is 29280627539. The next prime is 29280627589. The reversal of 29280627545 is 54572608292.
It is not a de Polignac number, because 29280627545 - 220 = 29279578969 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 29280627493 and 29280627502.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1443131 + ... + 1463279.
It is an arithmetic number, because the mean of its divisors is an integer number (1201746000).
Almost surely, 229280627545 is an apocalyptic number.
It is an amenable number.
29280627545 is a deficient number, since it is larger than the sum of its proper divisors (9175244455).
29280627545 is a wasteful number, since it uses less digits than its factorization.
29280627545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20529.
The product of its (nonzero) digits is 2419200, while the sum is 50.
The spelling of 29280627545 in words is "twenty-nine billion, two hundred eighty million, six hundred twenty-seven thousand, five hundred forty-five".
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