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13001430054 = 2325741920123
BaseRepresentation
bin11000001101111001…
…00001010000100110
31020120002111002010110
430012330201100212
5203111331230204
65550041433450
7640121221614
oct140674412046
936502432113
1013001430054
115571a71918
12262a19b886
1312c27828a2
148b4a1c6b4
15511635889
hex306f21426

13001430054 has 32 divisors (see below), whose sum is σ = 26167639680. Its totient is φ = 4306429952.

The previous prime is 13001430049. The next prime is 13001430083. The reversal of 13001430054 is 45003410031.

It is a self number, because there is not a number n which added to its sum of digits gives 13001430054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636037 + ... + 656159.

It is an arithmetic number, because the mean of its divisors is an integer number (817738740).

Almost surely, 213001430054 is an apocalyptic number.

13001430054 is an abundant number, since it is smaller than the sum of its proper divisors (13166209626).

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

13001430054 is a wasteful number, since it uses less digits than its factorization.

13001430054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20804.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 13001430054 its reverse (45003410031), we get a palindrome (58004840085).

The spelling of 13001430054 in words is "thirteen billion, one million, four hundred thirty thousand, fifty-four".

Divisors: 1 2 3 6 257 419 514 771 838 1257 1542 2514 20123 40246 60369 107683 120738 215366 323049 646098 5171611 8431537 10343222 15514833 16863074 25294611 31029666 50589222 2166905009 4333810018 6500715027 13001430054