Base | Representation |
---|---|
bin | 101111111110010100… |
… | …1101010111111010111 |
3 | 100211220212000012010100 |
4 | 1133330221222333113 |
5 | 3141442343431411 |
6 | 115154513025143 |
7 | 10305002210502 |
oct | 1377451527727 |
9 | 324825005110 |
10 | 103023030231 |
11 | 3a7678a64a0 |
12 | 17b722551b3 |
13 | 993abc8724 |
14 | 4db4740139 |
15 | 2a2e82c456 |
hex | 17fca6afd7 |
103023030231 has 48 divisors (see below), whose sum is σ = 170952912000. Its totient is φ = 59127952320.
The previous prime is 103023030191. The next prime is 103023030247. The reversal of 103023030231 is 132030320301.
103023030231 is a `hidden beast` number, since 1 + 0 + 302 + 30 + 302 + 31 = 666.
It is not a de Polignac number, because 103023030231 - 211 = 103023028183 is a prime.
It is a super-2 number, since 2×1030230302312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103023030631) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5292825 + ... + 5312253.
It is an arithmetic number, because the mean of its divisors is an integer number (3561519000).
Almost surely, 2103023030231 is an apocalyptic number.
103023030231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
103023030231 is a deficient number, since it is larger than the sum of its proper divisors (67929881769).
103023030231 is a wasteful number, since it uses less digits than its factorization.
103023030231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22284 (or 22281 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 103023030231 its reverse (132030320301), we get a palindrome (235053350532).
The spelling of 103023030231 in words is "one hundred three billion, twenty-three million, thirty thousand, two hundred thirty-one".
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