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3850173438725 = 521013315198553
BaseRepresentation
bin111000000001110000001…
…110000101101100000101
3111122001222012120210021002
4320001300032011230011
51001040123400014400
612104424550503045
7545110613152115
oct70016016055405
914561865523232
103850173438725
111254938594609
12522233364a85
1321c0ba463853
14d44c6a19045
156a242739ed5
hex38070385b05

3850173438725 has 12 divisors (see below), whose sum is σ = 4774686533316. Its totient is φ = 3079834577280.

The previous prime is 3850173438679. The next prime is 3850173438731. The reversal of 3850173438725 is 5278343710583.

It can be written as a sum of positive squares in 6 ways, for example, as 52792414756 + 3797381023969 = 229766^2 + 1948687^2 .

It is not a de Polignac number, because 3850173438725 - 28 = 3850173438469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7345952 + ... + 7852601.

It is an arithmetic number, because the mean of its divisors is an integer number (397890544443).

Almost surely, 23850173438725 is an apocalyptic number.

It is an amenable number.

3850173438725 is a deficient number, since it is larger than the sum of its proper divisors (924513094591).

3850173438725 is a wasteful number, since it uses less digits than its factorization.

3850173438725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15208696 (or 15208691 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 3850173438725 in words is "three trillion, eight hundred fifty billion, one hundred seventy-three million, four hundred thirty-eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 10133 50665 253325 15198553 75992765 379963825 154006937549 770034687745 3850173438725