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208150541149 = 2041110197959
BaseRepresentation
bin1100000111011010111…
…1010011001101011101
3201220021100222002000211
43001312233103031131
511402243014304044
6235342324252421
721016110256435
oct3016657231535
9656240862024
10208150541149
1180304610421
1234411241111
1316822ac05a5
14a1087752c5
155633ca9634
hex3076bd335d

208150541149 has 4 divisors (see below), whose sum is σ = 208160759520. Its totient is φ = 208140322780.

The previous prime is 208150541117. The next prime is 208150541171. The reversal of 208150541149 is 941145051802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 208150541149 - 25 = 208150541117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208150541189) 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, 5078569 + ... + 5119390.

It is an arithmetic number, because the mean of its divisors is an integer number (52040189880).

Almost surely, 2208150541149 is an apocalyptic number.

It is an amenable number.

208150541149 is a deficient number, since it is larger than the sum of its proper divisors (10218371).

208150541149 is a wasteful number, since it uses less digits than its factorization.

208150541149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10218370.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 208150541149 in words is "two hundred eight billion, one hundred fifty million, five hundred forty-one thousand, one hundred forty-nine".

Divisors: 1 20411 10197959 208150541149