Search a number
-
+
68670870718 = 2315350941057
BaseRepresentation
bin111111111101000110…
…100101010010111110
320120020210100200021011
4333331012211102332
52111114220330333
651314051025434
74650504525112
oct777506452276
9216223320234
1068670870718
1127139a0961a
121138589b27a
136624c80b18
1434762b1742
151bbdab99cd
hexffd1a54be

68670870718 has 32 divisors (see below), whose sum is σ = 108550782720. Its totient is φ = 32536058880.

The previous prime is 68670870691. The next prime is 68670870727. The reversal of 68670870718 is 81707807686.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652046 + ... + 1693102.

It is an arithmetic number, because the mean of its divisors is an integer number (3392211960).

Almost surely, 268670870718 is an apocalyptic number.

68670870718 is a deficient number, since it is larger than the sum of its proper divisors (39879912002).

68670870718 is a wasteful number, since it uses less digits than its factorization.

68670870718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41652.

The product of its (nonzero) digits is 6322176, while the sum is 58.

The spelling of 68670870718 in words is "sixty-eight billion, six hundred seventy million, eight hundred seventy thousand, seven hundred eighteen".

Divisors: 1 2 31 53 62 106 509 1018 1643 3286 15779 26977 31558 41057 53954 82114 836287 1272767 1672574 2176021 2545534 4352042 20898013 41796026 67456651 134913302 647838403 1107594689 1295676806 2215189378 34335435359 68670870718