Base | Representation |
---|---|
bin | 101111111110001111… |
… | …1011000011110111001 |
3 | 100211220122221011012100 |
4 | 1133330133120132321 |
5 | 3141441201123420 |
6 | 115154335134013 |
7 | 10304640245013 |
oct | 1377437303671 |
9 | 324818834170 |
10 | 103020332985 |
11 | 3a766323a69 |
12 | 17b71374309 |
13 | 993a492b1b |
14 | 4db423b1b3 |
15 | 2a2e498190 |
hex | 17fc7d87b9 |
103020332985 has 12 divisors (see below), whose sum is σ = 178568577252. Its totient is φ = 54944177568.
The previous prime is 103020332981. The next prime is 103020333023. The reversal of 103020332985 is 589233020301.
103020332985 is a `hidden beast` number, since 10 + 302 + 0 + 332 + 9 + 8 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 46510960896 + 56509372089 = 215664^2 + 237717^2 .
It is not a de Polignac number, because 103020332985 - 22 = 103020332981 is a prime.
It is a super-2 number, since 2×1030203329852 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (103020332981) 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, 1144670322 + ... + 1144670411.
It is an arithmetic number, because the mean of its divisors is an integer number (14880714771).
Almost surely, 2103020332985 is an apocalyptic number.
103020332985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
103020332985 is a deficient number, since it is larger than the sum of its proper divisors (75548244267).
103020332985 is a wasteful number, since it uses less digits than its factorization.
103020332985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2289340744 (or 2289340741 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The spelling of 103020332985 in words is "one hundred three billion, twenty million, three hundred thirty-two thousand, nine hundred eighty-five".
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