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135100193 = 193700001
BaseRepresentation
bin10000000110101…
…11011100100001
3100102012210121212
420003113130201
5234041201233
621223355505
73230222054
oct1003273441
9312183555
10135100193
116a295858
12392b2b95
1321cb3057
1413d2aa9b
15bcd9a48
hex80d7721

135100193 has 4 divisors (see below), whose sum is σ = 135800388. Its totient is φ = 134400000.

The previous prime is 135100111. The next prime is 135100211. The reversal of 135100193 is 391001531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391001531 = 2111185221.

It can be written as a sum of positive squares in 2 ways, for example, as 78730129 + 56370064 = 8873^2 + 7508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-135100193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135100103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349808 + ... + 350193.

It is an arithmetic number, because the mean of its divisors is an integer number (33950097).

Almost surely, 2135100193 is an apocalyptic number.

It is an amenable number.

135100193 is a deficient number, since it is larger than the sum of its proper divisors (700195).

135100193 is an equidigital number, since it uses as much as digits as its factorization.

135100193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700194.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 135100193 is about 11623.2608591565. The cubic root of 135100193 is about 513.1196619680.

The spelling of 135100193 in words is "one hundred thirty-five million, one hundred thousand, one hundred ninety-three".

Divisors: 1 193 700001 135100193