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13015213083538 = 28839736237871
BaseRepresentation
bin1011110101100101011100…
…1001110000101110010010
31201002020112120121020121221
42331121113021300232102
53201220124022133123
643403034545435254
72512214053566541
oct275312711605622
951066476536557
1013015213083538
1141687a2530606
12156252863bb2a
137354386bc9b3
1432dd22676158
1517885003c25d
hexbd657270b92

13015213083538 has 8 divisors (see below), whose sum is σ = 19525028365440. Its totient is φ = 6506870295060.

The previous prime is 13015213083451. The next prime is 13015213083539. The reversal of 13015213083538 is 83538031251031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13015213083494 and 13015213083503.

It is not an unprimeable number, because it can be changed into a prime (13015213083539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368101258 + ... + 368136613.

It is an arithmetic number, because the mean of its divisors is an integer number (2440628545680).

Almost surely, 213015213083538 is an apocalyptic number.

13015213083538 is a deficient number, since it is larger than the sum of its proper divisors (6509815281902).

13015213083538 is an equidigital number, since it uses as much as digits as its factorization.

13015213083538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736246712.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 13015213083538 in words is "thirteen trillion, fifteen billion, two hundred thirteen million, eighty-three thousand, five hundred thirty-eight".

Divisors: 1 2 8839 17678 736237871 1472475742 6507606541769 13015213083538