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13213451130545 = 552335811411043
BaseRepresentation
bin1100000001000111111100…
…0011111001011010110001
31201210012020010110110000002
43000101333003321122301
53212442121442134140
644034101535035345
72532432431311421
oct300217703713261
951705203413002
1013213451130545
11423487a764406
121594a3206bb55
1374b03b980723
1433976a746481
1517daa3971415
hexc047f0f96b1

13213451130545 has 16 divisors (see below), whose sum is σ = 15890906607552. Its totient is φ = 10547595391680.

The previous prime is 13213451130541. The next prime is 13213451130577. The reversal of 13213451130545 is 54503115431231.

13213451130545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13213451130545 - 22 = 13213451130541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13213451130499 and 13213451130508.

It is not an unprimeable number, because it can be changed into a prime (13213451130541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8658794 + ... + 10069836.

It is an arithmetic number, because the mean of its divisors is an integer number (993181662972).

Almost surely, 213213451130545 is an apocalyptic number.

It is an amenable number.

13213451130545 is a deficient number, since it is larger than the sum of its proper divisors (2677455477007).

13213451130545 is a wasteful number, since it uses less digits than its factorization.

13213451130545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415152.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 13213451130545 its reverse (54503115431231), we get a palindrome (67716566561776).

The spelling of 13213451130545 in words is "thirteen trillion, two hundred thirteen billion, four hundred fifty-one million, one hundred thirty thousand, five hundred forty-five".

Divisors: 1 5 523 2615 3581 17905 1411043 1872863 7055215 9364315 737975489 3689877445 5052944983 25264724915 2642690226109 13213451130545