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193485997103 = 773385198323
BaseRepresentation
bin1011010000110010101…
…0100000010000101111
3200111102101001001101212
42310030222200100233
511132224403401403
6224515232225035
716656522560630
oct2641452402057
9614371031355
10193485997103
117506988a433
12315ba09b17b
13153269077a9
149516d13887
1550766594d8
hex2d0caa042f

193485997103 has 16 divisors (see below), whose sum is σ = 224216476416. Its totient is φ = 163529150400.

The previous prime is 193485997079. The next prime is 193485997109. The reversal of 193485997103 is 301799584391.

It is not a de Polignac number, because 193485997103 - 210 = 193485996079 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193485997109) 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, 1918700 + ... + 2017022.

It is an arithmetic number, because the mean of its divisors is an integer number (14013529776).

Almost surely, 2193485997103 is an apocalyptic number.

193485997103 is a deficient number, since it is larger than the sum of its proper divisors (30730479313).

193485997103 is an equidigital number, since it uses as much as digits as its factorization.

193485997103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102254.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 193485997103 in words is "one hundred ninety-three billion, four hundred eighty-five million, nine hundred ninety-seven thousand, one hundred three".

Divisors: 1 7 73 511 3851 26957 98323 281123 688261 1967861 7177579 50243053 378641873 2650493111 27640856729 193485997103