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13538456045 = 541431535843
BaseRepresentation
bin11001001101111010…
…00111000111101101
31021221111222211021222
430212331013013231
5210211321043140
610115224033125
7656331656222
oct144675070755
937844884258
1013538456045
115818118454
12275a0027a5
131379acc94a
14926091949
155438645b5
hex326f471ed

13538456045 has 16 divisors (see below), whose sum is σ = 17029438272. Its totient is φ = 10320858240.

The previous prime is 13538456021. The next prime is 13538456111. The reversal of 13538456045 is 54065483531.

It is a happy number.

It is not a de Polignac number, because 13538456045 - 218 = 13538193901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13538455987 and 13538456005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759107 + ... + 776736.

It is an arithmetic number, because the mean of its divisors is an integer number (1064339892).

Almost surely, 213538456045 is an apocalyptic number.

It is an amenable number.

13538456045 is a deficient number, since it is larger than the sum of its proper divisors (3490982227).

13538456045 is a wasteful number, since it uses less digits than its factorization.

13538456045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535932.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 13538456045 in words is "thirteen billion, five hundred thirty-eight million, four hundred fifty-six thousand, forty-five".

Divisors: 1 5 41 43 205 215 1763 8815 1535843 7679215 62969563 66041249 314847815 330206245 2707691209 13538456045