Search a number
-
+
13217568083431 = 271102147770141
BaseRepresentation
bin1100000001010111010001…
…1100110100110111100111
31201210120212001020022122121
43000111310130310313213
53213024034412132211
644040022243410411
72532636441655465
oct300256434646747
951716761208577
1013217568083431
1142365a2669008
1215957a0983a07
1374b5468a011a
14339a3b421835
1517dc450e9271
hexc0574734de7

13217568083431 has 8 divisors (see below), whose sum is σ = 13279335153728. Its totient is φ = 13155896556000.

The previous prime is 13217568083429. The next prime is 13217568083497. The reversal of 13217568083431 is 13438086571231.

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

It is a cyclic number.

It is not a de Polignac number, because 13217568083431 - 21 = 13217568083429 is a prime.

It is a super-2 number, since 2×132175680834312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13217568083231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23608380 + ... + 24161761.

It is an arithmetic number, because the mean of its divisors is an integer number (1659916894216).

Almost surely, 213217568083431 is an apocalyptic number.

13217568083431 is a deficient number, since it is larger than the sum of its proper divisors (61767070297).

13217568083431 is a wasteful number, since it uses less digits than its factorization.

13217568083431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47771433.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 13217568083431 in words is "thirteen trillion, two hundred seventeen billion, five hundred sixty-eight million, eighty-three thousand, four hundred thirty-one".

Divisors: 1 271 1021 276691 47770141 12945708211 48773313961 13217568083431