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494949494949460 = 22524747474747473
BaseRepresentation
bin111000010001001110110100…
…0110101000000011001010100
32101220110201011022022010021221
41300202131220311000121110
51004333223031201340320
64512400354202420124
7206152630613356225
oct16042355065003124
92356421138263257
10494949494949460
111337849a1657321
1247618640501644
13183236ca029b45
148a3197d27524c
153c34b8b3223aa
hex1c22768d40654

494949494949460 has 12 divisors (see below), whose sum is σ = 1039393939393908. Its totient is φ = 197979797979776.

The previous prime is 494949494949451. The next prime is 494949494949461. The reversal of 494949494949460 is 64949494949494.

It can be written as a sum of positive squares in 2 ways, for example, as 327631285945744 + 167318209003716 = 18100588^2 + 12935154^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494949494949461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12373737373717 + ... + 12373737373756.

It is an arithmetic number, because the mean of its divisors is an integer number (86616161616159).

Almost surely, 2494949494949460 is an apocalyptic number.

It is an amenable number.

494949494949460 is an abundant number, since it is smaller than the sum of its proper divisors (544444444444448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494949494949460 is a wasteful number, since it uses less digits than its factorization.

494949494949460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24747474747482 (or 24747474747480 counting only the distinct ones).

The product of its (nonzero) digits is 52242776064, while the sum is 88.

The spelling of 494949494949460 in words is "four hundred ninety-four trillion, nine hundred forty-nine billion, four hundred ninety-four million, nine hundred forty-nine thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 24747474747473 49494949494946 98989898989892 123737373737365 247474747474730 494949494949460