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141401191 = 532667947
BaseRepresentation
bin10000110110110…
…01110001100111
3100212001220222011
420123121301213
5242144314231
622010415051
73334614241
oct1033316147
9325056864
10141401191
11728a9898
123b431487
13233ab059
1414acb091
15c6319b1
hex86d9c67

141401191 has 4 divisors (see below), whose sum is σ = 144069192. Its totient is φ = 138733192.

The previous prime is 141401179. The next prime is 141401201. The reversal of 141401191 is 191104141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191104141 = 1091753249.

It is a cyclic number.

It is not a de Polignac number, because 141401191 - 25 = 141401159 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 (141401791) 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, 1333921 + ... + 1334026.

It is an arithmetic number, because the mean of its divisors is an integer number (36017298).

Almost surely, 2141401191 is an apocalyptic number.

141401191 is a deficient number, since it is larger than the sum of its proper divisors (2668001).

141401191 is an equidigital number, since it uses as much as digits as its factorization.

141401191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668000.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 141401191 is about 11891.2232760133. The cubic root of 141401191 is about 520.9759666585.

The spelling of 141401191 in words is "one hundred forty-one million, four hundred one thousand, one hundred ninety-one".

Divisors: 1 53 2667947 141401191