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194038244525 = 528393512407
BaseRepresentation
bin1011010010110110010…
…1001010010010101101
3200112211212012010110002
42310231211022102231
511134342242311100
6225050120554045
720006306602466
oct2645545122255
9615755163402
10194038244525
1175322592064
1231733022925
13153b4153c08
14956a3c9d6d
1550a9d932d5
hex2d2d94a4ad

194038244525 has 12 divisors (see below), whose sum is σ = 243506310432. Its totient is φ = 153360345840.

The previous prime is 194038244513. The next prime is 194038244531. The reversal of 194038244525 is 525442830491.

194038244525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 194038244525 - 210 = 194038243501 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194038244525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46754129 + ... + 46758278.

It is an arithmetic number, because the mean of its divisors is an integer number (20292192536).

Almost surely, 2194038244525 is an apocalyptic number.

It is an amenable number.

194038244525 is a deficient number, since it is larger than the sum of its proper divisors (49468065907).

194038244525 is an equidigital number, since it uses as much as digits as its factorization.

194038244525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93512500 (or 93512495 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 194038244525 in words is "one hundred ninety-four billion, thirty-eight million, two hundred forty-four thousand, five hundred twenty-five".

Divisors: 1 5 25 83 415 2075 93512407 467562035 2337810175 7761529781 38807648905 194038244525