Search a number
-
+
13421123201444 = 2276531558147111
BaseRepresentation
bin1100001101001101100101…
…0001111110100110100100
31202112001021011002201020112
43003103121101332212210
53224342430014421234
644313325012152152
72553433641634160
oct303233121764644
952461234081215
1013421123201444
114304959182a72
12160912b008658
137647b65b670a
1434582b72bca0
151841aa716ace
hexc34d947e9a4

13421123201444 has 48 divisors (see below), whose sum is σ = 26885648514816. Its totient is φ = 5742611011200.

The previous prime is 13421123201401. The next prime is 13421123201471. The reversal of 13421123201444 is 44410232112431.

13421123201444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13421123201444.

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, 284859449 + ... + 284906559.

It is an arithmetic number, because the mean of its divisors is an integer number (560117677392).

Almost surely, 213421123201444 is an apocalyptic number.

13421123201444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13421123201444 is an abundant number, since it is smaller than the sum of its proper divisors (13464525313372).

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

13421123201444 is a wasteful number, since it uses less digits than its factorization.

13421123201444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63356 (or 63354 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 13421123201444 its reverse (44410232112431), we get a palindrome (57831355313875).

The spelling of 13421123201444 in words is "thirteen trillion, four hundred twenty-one billion, one hundred twenty-three million, two hundred one thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 653 1306 2612 4571 9142 15581 18284 31162 47111 62324 94222 109067 188444 218134 329777 436268 659554 1319108 10174393 20348786 30763483 40697572 61526966 71220751 123053932 142441502 215344381 284883004 430688762 734036491 861377524 1468072982 2936145964 5138255437 10276510874 20553021748 479325828623 958651657246 1917303314492 3355280800361 6710561600722 13421123201444