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123242430353045 = 5153731603362133
BaseRepresentation
bin11100000001011010011101…
…010010000100111010010101
3121011100212020212112021000012
4130001122131102010322111
5112123200444132244140
61114040442500130005
734646654212351403
oct3401323522047225
9534325225467005
10123242430353045
11362a5904013363
12119a5260696905
13539c9329b3803
142260d732d6473
15e3ac42375265
hex70169d484e95

123242430353045 has 8 divisors (see below), whose sum is σ = 147900536688696. Its totient is φ = 98587530772416.

The previous prime is 123242430352973. The next prime is 123242430353057. The reversal of 123242430353045 is 540353034242321.

It can be written as a sum of positive squares in 4 ways, for example, as 1788850075441 + 121453580277604 = 1337479^2 + 11020598^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123242430353045 - 242 = 118844383841941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123242430352993 and 123242430353011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801604202 + ... + 801757931.

It is an arithmetic number, because the mean of its divisors is an integer number (18487567086087).

Almost surely, 2123242430353045 is an apocalyptic number.

It is an amenable number.

123242430353045 is a deficient number, since it is larger than the sum of its proper divisors (24658106335651).

123242430353045 is a wasteful number, since it uses less digits than its factorization.

123242430353045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603377511.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 123242430353045 its reverse (540353034242321), we get a palindrome (663595464595366).

The spelling of 123242430353045 in words is "one hundred twenty-three trillion, two hundred forty-two billion, four hundred thirty million, three hundred fifty-three thousand, forty-five".

Divisors: 1 5 15373 76865 1603362133 8016810665 24648486070609 123242430353045