Base | Representation |
---|---|
bin | 100000011111101000… |
… | …1010000001011111101 |
3 | 20200010011012021002121 |
4 | 1000333101100023331 |
5 | 2120402411322333 |
6 | 52020144122541 |
7 | 5020144260001 |
oct | 1007721201375 |
9 | 220104167077 |
10 | 69780964093 |
11 | 27659598165 |
12 | 11635606451 |
13 | 6770c569c9 |
14 | 353d8ba701 |
15 | 1c3629632d |
hex | 103f4502fd |
69780964093 has 4 divisors (see below), whose sum is σ = 69849444960. Its totient is φ = 69712483228.
The previous prime is 69780964087. The next prime is 69780964159. The reversal of 69780964093 is 39046908796.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69780964093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69780964063) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34238905 + ... + 34240942.
It is an arithmetic number, because the mean of its divisors is an integer number (17462361240).
Almost surely, 269780964093 is an apocalyptic number.
It is an amenable number.
69780964093 is a deficient number, since it is larger than the sum of its proper divisors (68480867).
69780964093 is a wasteful number, since it uses less digits than its factorization.
69780964093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68480866.
The product of its (nonzero) digits is 17635968, while the sum is 61.
The spelling of 69780964093 in words is "sixty-nine billion, seven hundred eighty million, nine hundred sixty-four thousand, ninety-three".
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