Base | Representation |
---|---|
bin | 101111111110100010… |
… | …1001110011101110110 |
3 | 100211221100121011111020 |
4 | 1133331011032131312 |
5 | 3142001221102210 |
6 | 115155331522010 |
7 | 10305120463416 |
oct | 1377505163566 |
9 | 324840534436 |
10 | 103030253430 |
11 | 3a77098a385 |
12 | 17b74759306 |
13 | 993c557400 |
14 | 4db56a0646 |
15 | 2a302a7770 |
hex | 17fd14e776 |
103030253430 has 192 divisors, whose sum is σ = 273118874112. Its totient is φ = 24857763840.
The previous prime is 103030253383. The next prime is 103030253437. The reversal of 103030253430 is 34352030301.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 103030253430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103030253437) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69473469 + ... + 69474951.
It is an arithmetic number, because the mean of its divisors is an integer number (1422494136).
Almost surely, 2103030253430 is an apocalyptic number.
103030253430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 103030253430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136559437056).
103030253430 is an abundant number, since it is smaller than the sum of its proper divisors (170088620682).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103030253430 is a wasteful number, since it uses less digits than its factorization.
103030253430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1783 (or 1770 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 24.
Adding to 103030253430 its reverse (34352030301), we get a palindrome (137382283731).
The spelling of 103030253430 in words is "one hundred three billion, thirty million, two hundred fifty-three thousand, four hundred thirty".
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