Base | Representation |
---|---|
bin | 101111111110010100… |
… | …1100110110100000001 |
3 | 100211220211222022122122 |
4 | 1133330221212310001 |
5 | 3141442342404441 |
6 | 115154512414025 |
7 | 10305002106560 |
oct | 1377451466401 |
9 | 324824868578 |
10 | 103023013121 |
11 | 3a767894656 |
12 | 17b72247315 |
13 | 993abc09c2 |
14 | 4db4737bd7 |
15 | 2a2e82734b |
hex | 17fca66d01 |
103023013121 has 4 divisors (see below), whose sum is σ = 117740586432. Its totient is φ = 88305439812.
The previous prime is 103023013091. The next prime is 103023013127. The reversal of 103023013121 is 121310320301.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 103023013121 - 26 = 103023013057 is a prime.
It is a super-2 number, since 2×1030230131212 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 103023013121.
It is not an unprimeable number, because it can be changed into a prime (103023013127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7358786645 + ... + 7358786658.
It is an arithmetic number, because the mean of its divisors is an integer number (29435146608).
Almost surely, 2103023013121 is an apocalyptic number.
It is an amenable number.
103023013121 is a deficient number, since it is larger than the sum of its proper divisors (14717573311).
103023013121 is an equidigital number, since it uses as much as digits as its factorization.
103023013121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14717573310.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 103023013121 its reverse (121310320301), we get a palindrome (224333333422).
The spelling of 103023013121 in words is "one hundred three billion, twenty-three million, thirteen thousand, one hundred twenty-one".
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