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13121000320332 = 22319291984422311
BaseRepresentation
bin1011111011101111100010…
…0100000010110101001100
31201110100121001221200022010
42332323320210002311030
53204433302040222312
643523412045221220
72522650422350532
oct276737044026514
951410531850263
1013121000320332
1141a9648687333
12157ab30561810
137423c71926b8
143350ba160152
1517b49238393c
hexbeef8902d4c

13121000320332 has 48 divisors (see below), whose sum is σ = 33338294841600. Its totient is φ = 4000595376960.

The previous prime is 13121000320291. The next prime is 13121000320333. The reversal of 13121000320332 is 23302300012131.

It is a super-2 number, since 2×131210003203322 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13121000320299 and 13121000320308.

It is not an unprimeable number, because it can be changed into a prime (13121000320333) 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 15 ways as a sum of consecutive naturals, for example, 992204544 + ... + 992217767.

It is an arithmetic number, because the mean of its divisors is an integer number (694547809200).

Almost surely, 213121000320332 is an apocalyptic number.

13121000320332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13121000320332 is an abundant number, since it is smaller than the sum of its proper divisors (20217294521268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121000320332 is a wasteful number, since it uses less digits than its factorization.

13121000320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984422366 (or 1984422364 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13121000320332 its reverse (23302300012131), we get a palindrome (36423300332463).

The spelling of 13121000320332 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 29 38 57 58 76 87 114 116 174 228 348 551 1102 1653 2204 3306 6612 1984422311 3968844622 5953266933 7937689244 11906533866 23813067732 37704023909 57548247019 75408047818 113112071727 115096494038 150816095636 172644741057 226224143454 230192988076 345289482114 452448286908 690578964228 1093416693361 2186833386722 3280250080083 4373666773444 6560500160166 13121000320332