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68118525323007 = 3214311261940903
BaseRepresentation
bin11110111110100000101001…
…00000010010011011111111
322221012001211011002011210120
433133100110200102123333
532412023214440314012
6400513115111310023
720230254362531355
oct1737202440223377
9287161734064716
1068118525323007
111a7829a4775845
1277819b037b313
132c0171ac92973
1412b6d5052b7d5
157d1dbc2c758c
hex3df4148126ff

68118525323007 has 16 divisors (see below), whose sum is σ = 90875248232448. Its totient is φ = 45387080131680.

The previous prime is 68118525322979. The next prime is 68118525323011. The reversal of 68118525323007 is 70032352581186.

It is a happy number.

It is not a de Polignac number, because 68118525323007 - 235 = 68084165584639 is a prime.

It is a super-2 number, since 2×681185253230072 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68118525323087) 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, 71926518 + ... + 72867420.

It is an arithmetic number, because the mean of its divisors is an integer number (5679703014528).

Almost surely, 268118525323007 is an apocalyptic number.

68118525323007 is a deficient number, since it is larger than the sum of its proper divisors (22756722909441).

68118525323007 is a wasteful number, since it uses less digits than its factorization.

68118525323007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954310.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 68118525323007 in words is "sixty-eight trillion, one hundred eighteen billion, five hundred twenty-five million, three hundred twenty-three thousand, seven".

Divisors: 1 3 2143 6429 11261 33783 940903 2822709 24132323 72396969 2016355129 6049065387 10595508683 31786526049 22706175107669 68118525323007