Base | Representation |
---|---|
bin | 101111100010111010… |
… | …0000111000111110111 |
3 | 100202112201211211101012 |
4 | 1133011310013013313 |
5 | 3133101333120043 |
6 | 114523330022435 |
7 | 10243131231134 |
oct | 1370564070767 |
9 | 322481754335 |
10 | 102103020023 |
11 | 3a335547184 |
12 | 17956117a1b |
13 | 98224170a4 |
14 | 4d2849558b |
15 | 29c8b9ba18 |
hex | 17c5d071f7 |
102103020023 has 4 divisors (see below), whose sum is σ = 102667125288. Its totient is φ = 101538914760.
The previous prime is 102103020013. The next prime is 102103020029. The reversal of 102103020023 is 320020301201.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320020301201 = 93719 ⋅3414679.
It is a cyclic number.
It is not a de Polignac number, because 102103020023 - 26 = 102103019959 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102103020029) 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, 282052361 + ... + 282052722.
It is an arithmetic number, because the mean of its divisors is an integer number (25666781322).
Almost surely, 2102103020023 is an apocalyptic number.
102103020023 is a deficient number, since it is larger than the sum of its proper divisors (564105265).
102103020023 is an equidigital number, since it uses as much as digits as its factorization.
102103020023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 564105264.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 102103020023 its reverse (320020301201), we get a palindrome (422123321224).
The spelling of 102103020023 in words is "one hundred two billion, one hundred three million, twenty thousand, twenty-three".
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