Search a number
-
+
13012050350 = 25213193103723
BaseRepresentation
bin11000001111001010…
…00010000110101110
31020120211110122102202
430013211002012232
5203122041102400
65551101221502
7640310413565
oct140745020656
936524418382
1013012050350
115577a66022
122631861892
1312c4a308a0
148b61c4bdc
155125324d5
hex3079421ae

13012050350 has 48 divisors (see below), whose sum is σ = 26199437712. Its totient is φ = 4779509760.

The previous prime is 13012050341. The next prime is 13012050367. The reversal of 13012050350 is 5305021031.

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, 73589 + ... + 177311.

It is an arithmetic number, because the mean of its divisors is an integer number (545821619).

Almost surely, 213012050350 is an apocalyptic number.

13012050350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13012050350 is an abundant number, since it is smaller than the sum of its proper divisors (13187387362).

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

13012050350 is a wasteful number, since it uses less digits than its factorization.

13012050350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103941 (or 103936 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 13012050350 its reverse (5305021031), we get a palindrome (18317071381).

The spelling of 13012050350 in words is "thirteen billion, twelve million, fifty thousand, three hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 193 325 386 650 965 1930 2509 4825 5018 9650 12545 25090 62725 103723 125450 207446 518615 1037230 1348399 2593075 2696798 5186150 6741995 13483990 20018539 33709975 40037078 67419950 100092695 200185390 260241007 500463475 520482014 1000926950 1301205035 2602410070 6506025175 13012050350