Base | Representation |
---|---|
bin | 110000000100100010… |
… | …0001101000010011110 |
3 | 100212110100221000001001 |
4 | 1200021010031002132 |
5 | 3142404203441110 |
6 | 115231313140514 |
7 | 10313111450200 |
oct | 1401104150236 |
9 | 325410830031 |
10 | 103231312030 |
11 | 3a864425710 |
12 | 1800bb5a73a |
13 | 99720c24b2 |
14 | 4dd427a770 |
15 | 2a42c7063a |
hex | 180910d09e |
103231312030 has 48 divisors (see below), whose sum is σ = 235804077936. Its totient is φ = 32175991680.
The previous prime is 103231312007. The next prime is 103231312061. The reversal of 103231312030 is 30213132301.
It is a junction number, because it is equal to n+sod(n) for n = 103231311989 and 103231312007.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9570799 + ... + 9581578.
It is an arithmetic number, because the mean of its divisors is an integer number (4912584957).
Almost surely, 2103231312030 is an apocalyptic number.
103231312030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
103231312030 is an abundant number, since it is smaller than the sum of its proper divisors (132572765906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103231312030 is a wasteful number, since it uses less digits than its factorization.
103231312030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19152409 (or 19152402 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 103231312030 its reverse (30213132301), we get a palindrome (133444444331).
The spelling of 103231312030 in words is "one hundred three billion, two hundred thirty-one million, three hundred twelve thousand, thirty".
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