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13131201013443 = 3272714531381217
BaseRepresentation
bin1011111100010101100010…
…0100100110011011000011
31201111022220222100120121200
42333011120210212123003
53210120144424412233
643532220201352243
72523461254664562
oct277053044463303
951438828316550
1013131201013443
114202a02708017
121580ab8798683
1374336161a796
143357a6c05bd9
1517b88cb86313
hexbf1589266c3

13131201013443 has 24 divisors (see below), whose sum is σ = 19006465759008. Its totient is φ = 8736069652992.

The previous prime is 13131201013433. The next prime is 13131201013457. The reversal of 13131201013443 is 34431010213131.

13131201013443 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 201 + 0 + 13 + 443 = 666.

13131201013443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13131201013443 - 218 = 13131200751299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13131201013433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8816371 + ... + 10197587.

It is an arithmetic number, because the mean of its divisors is an integer number (791936073292).

Almost surely, 213131201013443 is an apocalyptic number.

13131201013443 is a deficient number, since it is larger than the sum of its proper divisors (5875264745565).

13131201013443 is a wasteful number, since it uses less digits than its factorization.

13131201013443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383403 (or 1383400 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 13131201013443 its reverse (34431010213131), we get a palindrome (47562211226574).

The spelling of 13131201013443 in words is "thirteen trillion, one hundred thirty-one billion, two hundred one million, thirteen thousand, four hundred forty-three".

Divisors: 1 3 9 727 1453 2181 4359 6543 13077 1056331 1381217 3168993 4143651 9506979 12430953 1004144759 2006908301 3012434277 6020724903 9037302831 18062174709 1459022334827 4377067004481 13131201013443