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13123335041452 = 2219716653978479
BaseRepresentation
bin1011111011111000001110…
…1110010011000110101100
31201110120121210010210120201
42332332003232103012230
53210003042232311302
643524435450323244
72523062322222616
oct276760356230654
951416553123521
1013123335041452
1141aa636562919
12157b482429524
137426a9aa369c
1433525c269db6
1517b57c312c87
hexbef83b931ac

13123335041452 has 12 divisors (see below), whose sum is σ = 23082414173280. Its totient is φ = 6528359563376.

The previous prime is 13123335041389. The next prime is 13123335041459. The reversal of 13123335041452 is 25414053332131.

It is a happy number.

It is a super-2 number, since 2×131233350414522 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13123335041459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8326988452 + ... + 8326990027.

It is an arithmetic number, because the mean of its divisors is an integer number (1923534514440).

Almost surely, 213123335041452 is an apocalyptic number.

It is an amenable number.

13123335041452 is a deficient number, since it is larger than the sum of its proper divisors (9959079131828).

13123335041452 is a wasteful number, since it uses less digits than its factorization.

13123335041452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16653978680 (or 16653978678 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 13123335041452 its reverse (25414053332131), we get a palindrome (38537388373583).

The spelling of 13123335041452 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirty-five million, forty-one thousand, four hundred fifty-two".

Divisors: 1 2 4 197 394 788 16653978479 33307956958 66615913916 3280833760363 6561667520726 13123335041452