Base | Representation |
---|---|
bin | 1110110100111101111… |
… | …01000100100110100101 |
3 | 1210201001001020110122012 |
4 | 13122132331010212211 |
5 | 31321400033410233 |
6 | 1030014301244005 |
7 | 51544133425400 |
oct | 7323675044645 |
9 | 1721031213565 |
10 | 509472950693 |
11 | 187080220573 |
12 | 828a5563605 |
13 | 390738a2245 |
14 | 1a93138cd37 |
15 | d3bc5d3548 |
hex | 769ef449a5 |
509472950693 has 12 divisors (see below), whose sum is σ = 592694733312. Its totient is φ = 436659766200.
The previous prime is 509472950671. The next prime is 509472950731. The reversal of 509472950693 is 396059274905.
It is a de Polignac number, because none of the positive numbers 2k-509472950693 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 (509472650693) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330218 + ... + 1062068.
It is an arithmetic number, because the mean of its divisors is an integer number (49391227776).
Almost surely, 2509472950693 is an apocalyptic number.
It is an amenable number.
509472950693 is a deficient number, since it is larger than the sum of its proper divisors (83221782619).
509472950693 is a wasteful number, since it uses less digits than its factorization.
509472950693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 746072 (or 746065 counting only the distinct ones).
The product of its (nonzero) digits is 18370800, while the sum is 59.
The spelling of 509472950693 in words is "five hundred nine billion, four hundred seventy-two million, nine hundred fifty thousand, six hundred ninety-three".
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