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7068445683618 = 2311246594343147
BaseRepresentation
bin110011011011100000000…
…1100011010111110100010
3221000201220010120222000110
41212313000030122332202
51411302134043333433
623011111002032150
71326451446656214
oct146670014327642
927021803528013
107068445683618
112285790350520
12961ab41a8656
133c3722a43a37
141a618664a5b4
15c3cee636963
hex66dc031afa2

7068445683618 has 32 divisors (see below), whose sum is σ = 15422692273920. Its totient is φ = 2141865881360.

The previous prime is 7068445683613. The next prime is 7068445683667. The reversal of 7068445683618 is 8163865448607.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7068445683613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544080 + ... + 3799067.

It is an arithmetic number, because the mean of its divisors is an integer number (481959133560).

Almost surely, 27068445683618 is an apocalyptic number.

7068445683618 is an abundant number, since it is smaller than the sum of its proper divisors (8354246590302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7068445683618 is a wasteful number, since it uses less digits than its factorization.

7068445683618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367822.

The product of its (nonzero) digits is 185794560, while the sum is 66.

The spelling of 7068445683618 in words is "seven trillion, sixty-eight billion, four hundred forty-five million, six hundred eighty-three thousand, six hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 24659 49318 73977 147954 271249 542498 813747 1627494 4343147 8686294 13029441 26058882 47774617 95549234 143323851 286647702 107097661873 214195323746 321292985619 642585971238 1178074280603 2356148561206 3534222841809 7068445683618