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13021112122211 = 257106274767649
BaseRepresentation
bin1011110101111011011011…
…0000110011101101100011
31201002210202200200110101202
42331132312300303231203
53201314214200402321
643405452154351415
72512513203600164
oct275366660635543
951083680613352
1013021112122211
11417024a373686
1215636b412b56b
13735b6889951b
14330321cc376b
15178a97d8070b
hexbd7b6c33b63

13021112122211 has 8 divisors (see below), whose sum is σ = 13073010723600. Its totient is φ = 12969223077888.

The previous prime is 13021112122171. The next prime is 13021112122219. The reversal of 13021112122211 is 11222121112031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13021112122211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021112122219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347315 + ... + 5114963.

It is an arithmetic number, because the mean of its divisors is an integer number (1634126340450).

Almost surely, 213021112122211 is an apocalyptic number.

13021112122211 is a deficient number, since it is larger than the sum of its proper divisors (51898601389).

13021112122211 is a wasteful number, since it uses less digits than its factorization.

13021112122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778533.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 13021112122211 its reverse (11222121112031), we get a palindrome (24243233234242).

The spelling of 13021112122211 in words is "thirteen trillion, twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred eleven".

Divisors: 1 257 10627 2731139 4767649 1225285793 50665805923 13021112122211