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7968354012 = 22322926329021
BaseRepresentation
bin1110110101111001…
…10110111011011100
3202120022212022202200
413122330312323130
5112304344312022
63354405251500
7401314614543
oct73274667334
922508768680
107968354012
113419a23343
121664703b90
1399cb12b98
145583cb15a
15319848bac
hex1daf36edc

7968354012 has 72 divisors (see below), whose sum is σ = 20916735840. Its totient is φ = 2554688640.

The previous prime is 7968354011. The next prime is 7968354047. The reversal of 7968354012 is 2104538697.

7968354012 is a `hidden beast` number, since 7 + 96 + 8 + 3 + 540 + 12 = 666.

7968354012 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×79683540122 (a number of 21 digits) contains 22 as substring.

7968354012 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7968354011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260062 + ... + 289082.

It is an arithmetic number, because the mean of its divisors is an integer number (290510220).

It is a 2-persistent number, because it is pandigital, and so is 2⋅7968354012 = 15936708024, but 3⋅7968354012 = 23905062036 is not.

It is a vampire number, since it can be written as 8706391524 (with its own digits).

Almost surely, 27968354012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7968354012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10458367920).

7968354012 is an abundant number, since it is smaller than the sum of its proper divisors (12948381828).

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

7968354012 is a wasteful number, since it uses less digits than its factorization.

7968354012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29323 (or 29318 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 7968354012 is about 89265.6373527910. The cubic root of 7968354012 is about 1997.3593493499.

The spelling of 7968354012 in words is "seven billion, nine hundred sixty-eight million, three hundred fifty-four thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 263 348 522 526 789 1044 1052 1578 2367 3156 4734 7627 9468 15254 22881 29021 30508 45762 58042 68643 87063 91524 116084 137286 174126 261189 274572 348252 522378 841609 1044756 1683218 2524827 3366436 5049654 7574481 7632523 10099308 15148962 15265046 22897569 30297924 30530092 45795138 68692707 91590276 137385414 221343167 274770828 442686334 664029501 885372668 1328059002 1992088503 2656118004 3984177006 7968354012