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201191030193 = 3181370517551
BaseRepresentation
bin1011101101011111101…
…0110111110110110001
3201020022100102021202210
42323113322313312301
511244014400431233
6232231554002333
720351462353146
oct2732772676661
9636270367683
10201191030193
117836310087a
1232baa5763a9
1315c83cc297a
149a483583cd
155377cdc163
hex2ed7eb7db1

201191030193 has 8 divisors (see below), whose sum is σ = 269736777856. Its totient is φ = 133386318000.

The previous prime is 201191030123. The next prime is 201191030213. The reversal of 201191030193 is 391030191102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201191030193 - 28 = 201191029937 is a prime.

It is a super-3 number, since 3×2011910301933 (a number of 35 digits) contains 333 as substring.

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 201191030193.

It is not an unprimeable number, because it can be changed into a prime (201191030113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185258233 + ... + 185259318.

It is an arithmetic number, because the mean of its divisors is an integer number (33717097232).

Almost surely, 2201191030193 is an apocalyptic number.

It is an amenable number.

201191030193 is a deficient number, since it is larger than the sum of its proper divisors (68545747663).

201191030193 is a wasteful number, since it uses less digits than its factorization.

201191030193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370517735.

The product of its (nonzero) digits is 1458, while the sum is 30.

The spelling of 201191030193 in words is "two hundred one billion, one hundred ninety-one million, thirty thousand, one hundred ninety-three".

Divisors: 1 3 181 543 370517551 1111552653 67063676731 201191030193