Search a number
-
+
13211220201230 = 251321122020123
BaseRepresentation
bin1100000000111111101000…
…0101100100111100001110
31201202222110122120111022102
43000033322011210330032
53212423034332414410
644033052322315102
72532323231603342
oct300177205447416
951688418514272
1013211220201230
11423393542a177
12159450aab8a92
1374aa747100cc
143395d8337622
1517d9c2b952a5
hexc03fa164f0e

13211220201230 has 8 divisors (see below), whose sum is σ = 23780196362232. Its totient is φ = 5284488080488.

The previous prime is 13211220201229. The next prime is 13211220201233. The reversal of 13211220201230 is 3210202211231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211220201233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660561010052 + ... + 660561010071.

It is an arithmetic number, because the mean of its divisors is an integer number (2972524545279).

Almost surely, 213211220201230 is an apocalyptic number.

13211220201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13211220201230 is a deficient number, since it is larger than the sum of its proper divisors (10568976161002).

13211220201230 is a wasteful number, since it uses less digits than its factorization.

13211220201230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321122020130.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13211220201230 its reverse (3210202211231), we get a palindrome (16421422412461).

The spelling of 13211220201230 in words is "thirteen trillion, two hundred eleven billion, two hundred twenty million, two hundred one thousand, two hundred thirty".

Divisors: 1 2 5 10 1321122020123 2642244040246 6605610100615 13211220201230