Base | Representation |
---|---|
bin | 11100000010101100… |
… | …111011011001010000 |
3 | 2212201102110201110110 |
4 | 130002230323121100 |
5 | 443131141244440 |
6 | 21455444001320 |
7 | 2114104440126 |
oct | 340254733120 |
9 | 85642421413 |
10 | 30110103120 |
11 | 11851406149 |
12 | 5a03990240 |
13 | 2abb135386 |
14 | 1658d09916 |
15 | bb3627080 |
hex | 702b3b650 |
30110103120 has 80 divisors (see below), whose sum is σ = 93527263872. Its totient is φ = 8013365760.
The previous prime is 30110103113. The next prime is 30110103157. The reversal of 30110103120 is 2130101103.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 30110103096 and 30110103105.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3991 + ... + 245430.
Almost surely, 230110103120 is an apocalyptic number.
30110103120 is a gapful number since it is divisible by the number (30) 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 30110103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46763631936).
30110103120 is an abundant number, since it is smaller than the sum of its proper divisors (63417160752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30110103120 is a wasteful number, since it uses less digits than its factorization.
30110103120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249940 (or 249934 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 30110103120 its reverse (2130101103), we get a palindrome (32240204223).
The spelling of 30110103120 in words is "thirty billion, one hundred ten million, one hundred three thousand, one hundred twenty".
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