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13012445104 = 241537352903
BaseRepresentation
bin11000001111001101…
…00010011110110000
31020120212012200221021
430013212202132300
5203122141220404
65551113505224
7640313646511
oct140746423660
936525180837
1013012445104
11557820566a
122631a12214
1312c4b3b479
148b6288a08
155125ae454
hex3079a27b0

13012445104 has 20 divisors (see below), whose sum is σ = 25213728976. Its totient is φ = 6505676352.

The previous prime is 13012445077. The next prime is 13012445209. The reversal of 13012445104 is 40154421031.

It is a super-2 number, since 2×130124451042 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219517 + ... + 272419.

Almost surely, 213012445104 is an apocalyptic number.

It is an amenable number.

13012445104 is a deficient number, since it is larger than the sum of its proper divisors (12201283872).

13012445104 is a wasteful number, since it uses less digits than its factorization.

13012445104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68284 (or 68278 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 13012445104 its reverse (40154421031), we get a palindrome (53166866135).

The spelling of 13012445104 in words is "thirteen billion, twelve million, four hundred forty-five thousand, one hundred four".

Divisors: 1 2 4 8 16 15373 30746 52903 61492 105806 122984 211612 245968 423224 846448 813277819 1626555638 3253111276 6506222552 13012445104