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684103013 = 11163381541
BaseRepresentation
bin101000110001101…
…001010101100101
31202200021000220122
4220301221111211
52400112244023
6151514411325
722644531266
oct5061512545
91680230818
10684103013
113211817a0
12171130b45
13ab9646a9
1466bda96d
15400d22c8
hex28c69565

684103013 has 8 divisors (see below), whose sum is σ = 750874656. Its totient is φ = 618094800.

The previous prime is 684102943. The next prime is 684103019. The reversal of 684103013 is 310301486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 684103013 - 214 = 684086629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684103019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188978 + ... + 192563.

It is an arithmetic number, because the mean of its divisors is an integer number (93859332).

Almost surely, 2684103013 is an apocalyptic number.

It is an amenable number.

684103013 is a deficient number, since it is larger than the sum of its proper divisors (66771643).

684103013 is a wasteful number, since it uses less digits than its factorization.

684103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381715.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 684103013 is about 26155.3629873493. The cubic root of 684103013 is about 881.1310409451.

Adding to 684103013 its reverse (310301486), we get a palindrome (994404499).

The spelling of 684103013 in words is "six hundred eighty-four million, one hundred three thousand, thirteen".

Divisors: 1 11 163 1793 381541 4196951 62191183 684103013