Search a number
-
+
13113211023020 = 2253793109556441
BaseRepresentation
bin1011111011010010100001…
…0010001110111010101100
31201102121111020000101011002
42332310220102032322230
53204321324010214040
643520043113415432
72522253410412113
oct276645022167254
951377436011132
1013113211023020
1141a6310841a39
121579517a0a578
137417554b3234
1433497b862c7a
1517b188608a15
hexbed2848eeac

13113211023020 has 48 divisors (see below), whose sum is σ = 27619332535200. Its totient is φ = 5229752532480.

The previous prime is 13113211022941. The next prime is 13113211023043. The reversal of 13113211023020 is 2032011231131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13113211022983 and 13113211023001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23288000 + ... + 23844440.

It is an arithmetic number, because the mean of its divisors is an integer number (575402761150).

Almost surely, 213113211023020 is an apocalyptic number.

13113211023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113211023020 is an abundant number, since it is smaller than the sum of its proper divisors (14506121512180).

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

13113211023020 is a wasteful number, since it uses less digits than its factorization.

13113211023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559938 (or 559936 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13113211023020 its reverse (2032011231131), we get a palindrome (15145222254151).

The spelling of 13113211023020 in words is "thirteen trillion, one hundred thirteen billion, two hundred eleven million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 379 758 1516 1895 3109 3790 6218 7580 12436 15545 31090 62180 556441 1112882 1178311 2225764 2356622 2782205 4713244 5564410 5891555 11128820 11783110 23566220 210891139 421782278 843564556 1054455695 1729975069 2108911390 3459950138 4217822780 6919900276 8649875345 17299750690 34599501380 655660551151 1311321102302 2622642204604 3278302755755 6556605511510 13113211023020