Base | Representation |
---|---|
bin | 110000001001010001… |
… | …1111001011111000110 |
3 | 100212212110200110022100 |
4 | 1200102203321133012 |
5 | 3143220444143434 |
6 | 115255203412530 |
7 | 10320054505605 |
oct | 1402243713706 |
9 | 325773613270 |
10 | 103390615494 |
11 | 3a936341771 |
12 | 18055384146 |
13 | 99990cabba |
14 | 500b4a7a3c |
15 | 2a51c3b699 |
hex | 18128f97c6 |
103390615494 has 48 divisors (see below), whose sum is σ = 225846260640. Its totient is φ = 34182401280.
The previous prime is 103390615477. The next prime is 103390615567. The reversal of 103390615494 is 494516093301.
103390615494 is a `hidden beast` number, since 10 + 3 + 3 + 90 + 6 + 1 + 549 + 4 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1348462 + ... + 1423070.
It is an arithmetic number, because the mean of its divisors is an integer number (4705130430).
Almost surely, 2103390615494 is an apocalyptic number.
103390615494 is an abundant number, since it is smaller than the sum of its proper divisors (122455645146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103390615494 is a wasteful number, since it uses less digits than its factorization.
103390615494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75245 (or 75242 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 45.
The spelling of 103390615494 in words is "one hundred three billion, three hundred ninety million, six hundred fifteen thousand, four hundred ninety-four".
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