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13215300046 = 213508280771
BaseRepresentation
bin11000100111011000…
…10111100111001110
31021002222220210121021
430103230113213032
5204031104100141
610023201424354
7645326124364
oct142354274716
937088823537
1013215300046
115671768583
12268993b0ba
131327b85090
148d51b1634
155252ce6d1
hex313b179ce

13215300046 has 8 divisors (see below), whose sum is σ = 21347792424. Its totient is φ = 6099369240.

The previous prime is 13215300017. The next prime is 13215300053. The reversal of 13215300046 is 64000351231.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254140360 + ... + 254140411.

It is an arithmetic number, because the mean of its divisors is an integer number (2668474053).

Almost surely, 213215300046 is an apocalyptic number.

13215300046 is a deficient number, since it is larger than the sum of its proper divisors (8132492378).

13215300046 is a wasteful number, since it uses less digits than its factorization.

13215300046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508280786.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13215300046 its reverse (64000351231), we get a palindrome (77215651277).

The spelling of 13215300046 in words is "thirteen billion, two hundred fifteen million, three hundred thousand, forty-six".

Divisors: 1 2 13 26 508280771 1016561542 6607650023 13215300046