Search a number
-
+
13211452042442 = 2521103311227271
BaseRepresentation
bin1100000001000000011111…
…1001111110110011001010
31201210000001210211020122222
43000100013321332303022
53212424023210324232
644033131323414042
72532332045325263
oct300200771766312
951700053736588
1013211452042442
114233a4428a985
121594574684322
1374aab0765464
1433961b04796a
1517d9d81ddd12
hexc0407e7ecca

13211452042442 has 16 divisors (see below), whose sum is σ = 19857152960064. Its totient is φ = 6592403532000.

The previous prime is 13211452042433. The next prime is 13211452042471. The reversal of 13211452042442 is 24424025411231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10151267 + ... + 11378537.

It is an arithmetic number, because the mean of its divisors is an integer number (1241072060004).

Almost surely, 213211452042442 is an apocalyptic number.

13211452042442 is a deficient number, since it is larger than the sum of its proper divisors (6645700917622).

13211452042442 is a wasteful number, since it uses less digits than its factorization.

13211452042442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238125.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 13211452042442 its reverse (24424025411231), we get a palindrome (37635477453673).

The spelling of 13211452042442 in words is "thirteen trillion, two hundred eleven billion, four hundred fifty-two million, forty-two thousand, four hundred forty-two".

Divisors: 1 2 521 1042 10331 20662 1227271 2454542 5382451 10764902 639408191 1278816382 12678936701 25357873402 6605726021221 13211452042442