Base | Representation |
---|---|
bin | 101111111110010100… |
… | …1100110100111011000 |
3 | 100211220211222021112200 |
4 | 1133330221212213120 |
5 | 3141442342343222 |
6 | 115154512410200 |
7 | 10305002104323 |
oct | 1377451464730 |
9 | 324824867480 |
10 | 103023012312 |
11 | 3a767893a90 |
12 | 17b72246960 |
13 | 993abc051c |
14 | 4db47377ba |
15 | 2a2e826eac |
hex | 17fca669d8 |
103023012312 has 96 divisors (see below), whose sum is σ = 304506708480. Its totient is φ = 31206732480.
The previous prime is 103023012299. The next prime is 103023012329. The reversal of 103023012312 is 213210320301.
103023012312 is a `hidden beast` number, since 10 + 302 + 30 + 12 + 312 = 666.
It is a super-2 number, since 2×1030230123122 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2084673 + ... + 2133519.
It is an arithmetic number, because the mean of its divisors is an integer number (3171944880).
Almost surely, 2103023012312 is an apocalyptic number.
103023012312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
103023012312 is an abundant number, since it is smaller than the sum of its proper divisors (201483696168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103023012312 is a wasteful number, since it uses less digits than its factorization.
103023012312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51533 (or 51526 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 103023012312 its reverse (213210320301), we get a palindrome (316233332613).
The spelling of 103023012312 in words is "one hundred three billion, twenty-three million, twelve thousand, three hundred twelve".
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