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13145530444100 = 2252393733338717
BaseRepresentation
bin1011111101001010111010…
…1011000010100101000100
31201112200220121201002002122
42333102232223002211010
53210334021243202400
643542550123025112
72524506333100415
oct277225653024504
951480817632078
1013145530444100
114208a9626139a
12158383766b198
13744806260232
14336365d5380c
1517be2ab8d685
hexbf4aeac2944

13145530444100 has 36 divisors (see below), whose sum is σ = 28526534109444. Its totient is φ = 5258077054080.

The previous prime is 13145530444043. The next prime is 13145530444117. The reversal of 13145530444100 is 144403554131.

13145530444100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1287920837956 + 11857609606144 = 1134866^2 + 3443488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2267942 + ... + 5606658.

Almost surely, 213145530444100 is an apocalyptic number.

13145530444100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13145530444100 is an abundant number, since it is smaller than the sum of its proper divisors (15381003665344).

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

13145530444100 is a wasteful number, since it uses less digits than its factorization.

13145530444100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378104 (or 3378097 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 13145530444100 its reverse (144403554131), we get a palindrome (13289933998231).

The spelling of 13145530444100 in words is "thirteen trillion, one hundred forty-five billion, five hundred thirty million, four hundred forty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 39373 78746 157492 196865 393730 787460 984325 1968650 3338717 3937300 6677434 13354868 16693585 33387170 66774340 83467925 166935850 333871700 131455304441 262910608882 525821217764 657276522205 1314553044410 2629106088820 3286382611025 6572765222050 13145530444100