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13244520215 = 523115169741
BaseRepresentation
bin11000101010110111…
…10101011100010111
31021012000220100010202
430111123311130113
5204111044121330
610030124011115
7646132364363
oct142533653427
937160810122
1013244520215
115687206083
122697690a9b
131330c46114
148d901a2a3
15527b52445
hex3156f5717

13244520215 has 8 divisors (see below), whose sum is σ = 16584442848. Its totient is φ = 10134937120.

The previous prime is 13244520203. The next prime is 13244520217. The reversal of 13244520215 is 51202544231.

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

It is not a de Polignac number, because 13244520215 - 210 = 13244519191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244520217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57584756 + ... + 57584985.

It is an arithmetic number, because the mean of its divisors is an integer number (2073055356).

Almost surely, 213244520215 is an apocalyptic number.

13244520215 is a deficient number, since it is larger than the sum of its proper divisors (3339922633).

13244520215 is a wasteful number, since it uses less digits than its factorization.

13244520215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115169769.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 13244520215 in words is "thirteen billion, two hundred forty-four million, five hundred twenty thousand, two hundred fifteen".

Divisors: 1 5 23 115 115169741 575848705 2648904043 13244520215