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13628304778319 = 711176990971147
BaseRepresentation
bin1100011001010001011001…
…0000111110010001001111
31210020212000222210022011122
43012110112100332101033
53241241232010401234
644552431244311155
72604420045164120
oct306242620762117
953225028708148
1013628304778319
114384805838170
12164130b8424bb
1377b1b371535a
14351883514047
151897843c092e
hexc651643e44f

13628304778319 has 8 divisors (see below), whose sum is σ = 16991133230208. Its totient is φ = 10619458268760.

The previous prime is 13628304778307. The next prime is 13628304778357. The reversal of 13628304778319 is 91387740382631.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-13628304778319 is a prime.

It is a super-2 number, since 2×136283047783192 (a number of 27 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 (13628304778219) 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, 88495485497 + ... + 88495485650.

It is an arithmetic number, because the mean of its divisors is an integer number (2123891653776).

Almost surely, 213628304778319 is an apocalyptic number.

13628304778319 is a deficient number, since it is larger than the sum of its proper divisors (3362828451889).

13628304778319 is a wasteful number, since it uses less digits than its factorization.

13628304778319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176990971165.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 13628304778319 in words is "thirteen trillion, six hundred twenty-eight billion, three hundred four million, seven hundred seventy-eight thousand, three hundred nineteen".

Divisors: 1 7 11 77 176990971147 1238936798029 1946900682617 13628304778319