Search a number
-
+
1368106807067 = 721121319878933
BaseRepresentation
bin10011111010001001100…
…001010010111100011011
311211210022201022201121222
4103322021201102330123
5134403340320311232
62524255524522255
7200561650662200
oct23721141227433
94753281281558
101368106807067
11488235698400
121a119425038b
139c020252690
144a306989ca7
15258c321ed12
hex13e89852f1b

1368106807067 has 72 divisors (see below), whose sum is σ = 1885023898128. Its totient is φ = 983447498880.

The previous prime is 1368106807031. The next prime is 1368106807079. The reversal of 1368106807067 is 7607086018631.

It is not a de Polignac number, because 1368106807067 - 216 = 1368106741531 is a prime.

It is a super-2 number, since 2×13681068070672 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1368106807027) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 153147533 + ... + 153156465.

It is an arithmetic number, because the mean of its divisors is an integer number (26180887474).

Almost surely, 21368106807067 is an apocalyptic number.

1368106807067 is a deficient number, since it is larger than the sum of its proper divisors (516917091061).

1368106807067 is a wasteful number, since it uses less digits than its factorization.

1368106807067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10969 (or 10951 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 1368106807067 in words is "one trillion, three hundred sixty-eight billion, one hundred six million, eight hundred seven thousand, sixty-seven".

Divisors: 1 7 11 13 49 77 91 121 143 539 637 847 1001 1573 1987 5929 7007 8933 11011 13909 21857 25831 62531 77077 97363 98263 116129 152999 180817 240427 284141 437717 687841 812903 1070993 1080893 1265719 1277419 1682989 1988987 3125551 4814887 5690321 7566251 8941933 11780923 13922909 14051609 17749871 21878857 52963757 62593531 98361263 124249097 153151999 195248581 230748323 688528841 869743679 1366740067 1615238261 2147734391 2538231553 9567180469 11306667827 15034140737 17767620871 27920547083 105238985159 124373346097 195443829581 1368106807067