| Base | Representation |
|---|---|
| bin | 10001111001100111110… |
| … | …110101000101000010100 |
| 3 | 11100121002222212002002220 |
| 4 | 101321213312220220110 |
| 5 | 130123222333201400 |
| 6 | 2341033532502340 |
| 7 | 154605046111611 |
| oct | 21714766505024 |
| 9 | 4317088762086 |
| 10 | 1230103022100 |
| 11 | 4347580a6157 |
| 12 | 17a49b01a9b0 |
| 13 | 8bcc9111014 |
| 14 | 4377450d508 |
| 15 | 21ee78b47a0 |
| hex | 11e67da8a14 |
1230103022100 has 144 divisors (see below), whose sum is σ = 3768986894400. Its totient is φ = 308688312320.
The previous prime is 1230103022087. The next prime is 1230103022107. The reversal of 1230103022100 is 12203010321.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1230103022100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230103022107) 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, 51697006 + ... + 51720794.
It is an arithmetic number, because the mean of its divisors is an integer number (26173520100).
Almost surely, 21230103022100 is an apocalyptic number.
1230103022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1230103022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1884493447200).
1230103022100 is an abundant number, since it is smaller than the sum of its proper divisors (2538883872300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230103022100 is a wasteful number, since it uses less digits than its factorization.
1230103022100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33962 (or 33955 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 1230103022100 its reverse (12203010321), we get a palindrome (1242306032421).
It can be divided in two parts, 12301030 and 22100, that added together give a triangular number (12323130 = T4964).
The spelling of 1230103022100 in words is "one trillion, two hundred thirty billion, one hundred three million, twenty-two thousand, one hundred".
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