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13123210103211 = 3131723538773761
BaseRepresentation
bin1011111011110111110001…
…0001101100100110101011
31201110120022002001021112110
42332331330101230212223
53210002313241300321
643524415224413403
72523056244243315
oct276757421544653
951416262037473
1013123210103211
1141aa581a8897a
12157b448617263
13742689c3ab30
143352498267b5
1517b571384176
hexbef7c46c9ab

13123210103211 has 96 divisors (see below), whose sum is σ = 20102171398848. Its totient is φ = 7568586178560.

The previous prime is 13123210103147. The next prime is 13123210103287. The reversal of 13123210103211 is 11230101232131.

It is not a de Polignac number, because 13123210103211 - 26 = 13123210103147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13123210103011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3489285571 + ... + 3489289331.

It is an arithmetic number, because the mean of its divisors is an integer number (209397618738).

Almost surely, 213123210103211 is an apocalyptic number.

13123210103211 is a deficient number, since it is larger than the sum of its proper divisors (6978961295637).

13123210103211 is a wasteful number, since it uses less digits than its factorization.

13123210103211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041 (or 5024 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13123210103211 its reverse (11230101232131), we get a palindrome (24353311335342).

The spelling of 13123210103211 in words is "thirteen trillion, one hundred twenty-three billion, two hundred ten million, one hundred three thousand, two hundred eleven".

Divisors: 1 3 13 17 39 51 221 289 353 663 867 877 1059 2631 3757 3761 4589 6001 11271 11283 11401 13767 14909 18003 34203 44727 48893 63937 78013 102017 146679 191811 193817 234039 253453 306051 309581 581451 760359 831181 928743 1086929 1326221 1327633 2493543 3260787 3294889 3298397 3978663 3982899 4024553 5262877 9884667 9895191 12073659 14130077 15788631 17259229 22569761 42390231 42879161 51777687 56072749 67709283 68417401 89468909 128637483 168218247 205252203 268406727 293406893 383685937 728945737 880220679 953236733 1151057811 1163095817 1164334141 2186837211 2859710199 3489287451 3493002423 4987917181 12392077529 14963751543 15136343833 19793680397 37176232587 45409031499 59381041191 257317845161 336492566749 771953535483 1009477700247 4374403367737 13123210103211