Search a number
-
+
13021312012211 = 191013367633693
BaseRepresentation
bin1011110101111100001010…
…1011010100111110110011
31201002211021121210220221002
42331133002223110332303
53201320121333342321
643405524054552215
72512521151615646
oct275370253247663
951084247726832
1013021312012211
114170342190a28
12156374b06866b
13735b9b115729
14330340677a5d
15178aaa6b720b
hexbd7c2ad4fb3

13021312012211 has 8 divisors (see below), whose sum is σ = 13707997099920. Its totient is φ = 12334762212192.

The previous prime is 13021312012199. The next prime is 13021312012217. The reversal of 13021312012211 is 11221021312031.

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

It is not a de Polignac number, because 13021312012211 - 222 = 13021307817907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021312012217) 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, 33624320 + ... + 34009373.

It is an arithmetic number, because the mean of its divisors is an integer number (1713499637490).

Almost surely, 213021312012211 is an apocalyptic number.

13021312012211 is a deficient number, since it is larger than the sum of its proper divisors (686685087709).

13021312012211 is a wasteful number, since it uses less digits than its factorization.

13021312012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67643845.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13021312012211 its reverse (11221021312031), we get a palindrome (24242333324242).

The spelling of 13021312012211 in words is "thirteen trillion, twenty-one billion, three hundred twelve million, twelve thousand, two hundred eleven".

Divisors: 1 19 10133 192527 67633693 1285040167 685332211169 13021312012211