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345121054325 = 5217903771091
BaseRepresentation
bin1010000010110101101…
…00010101111001110101
31012222211002011002010022
411001122310111321311
521123301442214300
6422314005534525
733635264362565
oct5013264257165
91188732132108
10345121054325
11123401924243
1256a78414445
1326710b45818
14129bd8c2da5
158e9da60285
hex505ad15e75

345121054325 has 12 divisors (see below), whose sum is σ = 427974566208. Its totient is φ = 276081063600.

The previous prime is 345121054321. The next prime is 345121054351. The reversal of 345121054325 is 523450121543.

It is not a de Polignac number, because 345121054325 - 22 = 345121054321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345121054321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62030 + ... + 833120.

It is an arithmetic number, because the mean of its divisors is an integer number (35664547184).

Almost surely, 2345121054325 is an apocalyptic number.

It is an amenable number.

345121054325 is a deficient number, since it is larger than the sum of its proper divisors (82853511883).

345121054325 is a wasteful number, since it uses less digits than its factorization.

345121054325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789004 (or 788999 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 345121054325 its reverse (523450121543), we get a palindrome (868571175868).

The spelling of 345121054325 in words is "three hundred forty-five billion, one hundred twenty-one million, fifty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 17903 89515 447575 771091 3855455 19277275 13804842173 69024210865 345121054325