Base | Representation |
---|---|
bin | 10100000010011111001… |
… | …10101100101111011001 |
3 | 2102211012212020212220100 |
4 | 22001033212230233121 |
5 | 42240102224442103 |
6 | 1244150110050013 |
7 | 100513265042235 |
oct | 12011746545731 |
9 | 2384185225810 |
10 | 688530312153 |
11 | 246005458432 |
12 | b15374a9909 |
13 | 4cc0b1415b8 |
14 | 25479ccd5c5 |
15 | 12d9c18b5a3 |
hex | a04f9acbd9 |
688530312153 has 24 divisors (see below), whose sum is σ = 1029173745600. Its totient is φ = 443047467744.
The previous prime is 688530312143. The next prime is 688530312157. The reversal of 688530312153 is 351213035886.
688530312153 is a `hidden beast` number, since 6 + 88 + 530 + 31 + 2 + 1 + 5 + 3 = 666.
It is not a de Polignac number, because 688530312153 - 26 = 688530312089 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 688530312099 and 688530312108.
It is not an unprimeable number, because it can be changed into a prime (688530312157) 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, 375226 + ... + 1232012.
It is an arithmetic number, because the mean of its divisors is an integer number (42882239400).
Almost surely, 2688530312153 is an apocalyptic number.
It is an amenable number.
688530312153 is a deficient number, since it is larger than the sum of its proper divisors (340643433447).
688530312153 is a wasteful number, since it uses less digits than its factorization.
688530312153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 859901 (or 859898 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 45.
The spelling of 688530312153 in words is "six hundred eighty-eight billion, five hundred thirty million, three hundred twelve thousand, one hundred fifty-three".
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