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13023153215 = 56142698863
BaseRepresentation
bin11000010000011110…
…11000110000111111
31020121121100201200222
430020033120300333
5203132411400330
65552135211555
7640503655502
oct141017306077
936547321628
1013023153215
115583259846
122635516bbb
1312c711a427
148b7875139
155134c70e5
hex3083d8c3f

13023153215 has 8 divisors (see below), whose sum is σ = 15883977408. Its totient is φ = 10247726880.

The previous prime is 13023153179. The next prime is 13023153217. The reversal of 13023153215 is 51235132031.

13023153215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13023153215 - 214 = 13023136831 is a prime.

It is a super-2 number, since 2×130231532152 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023153217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21349127 + ... + 21349736.

It is an arithmetic number, because the mean of its divisors is an integer number (1985497176).

Almost surely, 213023153215 is an apocalyptic number.

13023153215 is a deficient number, since it is larger than the sum of its proper divisors (2860824193).

13023153215 is an equidigital number, since it uses as much as digits as its factorization.

13023153215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42698929.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 13023153215 its reverse (51235132031), we get a palindrome (64258285246).

The spelling of 13023153215 in words is "thirteen billion, twenty-three million, one hundred fifty-three thousand, two hundred fifteen".

Divisors: 1 5 61 305 42698863 213494315 2604630643 13023153215