Search a number
-
+
13012211321012 = 2219916346999147
BaseRepresentation
bin1011110101011010010000…
…1110111100100010110100
31201001221210101020220120002
42331112210032330202310
53201143002044233022
643401421035330432
72512046504203361
oct275264416744264
951057711226502
1013012211321012
1141674a2076a32
121561a2b2b0a18
1373507a83c157
1432db19b31468
1517872674b092
hexbd5a43bc8b4

13012211321012 has 12 divisors (see below), whose sum is σ = 22885798807200. Its totient is φ = 6473411661816.

The previous prime is 13012211320939. The next prime is 13012211321033. The reversal of 13012211321012 is 21012311221031.

It is a super-3 number, since 3×130122113210123 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8173498778 + ... + 8173500369.

It is an arithmetic number, because the mean of its divisors is an integer number (1907149900600).

Almost surely, 213012211321012 is an apocalyptic number.

It is an amenable number.

13012211321012 is a deficient number, since it is larger than the sum of its proper divisors (9873587486188).

13012211321012 is a wasteful number, since it uses less digits than its factorization.

13012211321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16346999350 (or 16346999348 counting only the distinct ones).

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

Adding to 13012211321012 its reverse (21012311221031), we get a palindrome (34024522542043).

The spelling of 13012211321012 in words is "thirteen trillion, twelve billion, two hundred eleven million, three hundred twenty-one thousand, twelve".

Divisors: 1 2 4 199 398 796 16346999147 32693998294 65387996588 3253052830253 6506105660506 13012211321012