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91828324141 = 852471077203
BaseRepresentation
bin101010110000101100…
…1010000011100101101
322210000200012012100021
41111201121100130231
53001031022333031
6110104011402141
76430406606431
oct1254131203455
9283020165307
1091828324141
1135a42771084
1215969153351
13887584b598
144631a689c1
1525c6b2c511
hex156165072d

91828324141 has 4 divisors (see below), whose sum is σ = 91829486592. Its totient is φ = 91827161692.

The previous prime is 91828324139. The next prime is 91828324151. The reversal of 91828324141 is 14142382819.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14142382819 = 60123531419.

It is a cyclic number.

It is not a de Polignac number, because 91828324141 - 21 = 91828324139 is a prime.

It is a super-2 number, since 2×918283241412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91828324121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453355 + ... + 623848.

It is an arithmetic number, because the mean of its divisors is an integer number (22957371648).

Almost surely, 291828324141 is an apocalyptic number.

It is an amenable number.

91828324141 is a deficient number, since it is larger than the sum of its proper divisors (1162451).

91828324141 is a wasteful number, since it uses less digits than its factorization.

91828324141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162450.

The product of its digits is 110592, while the sum is 43.

The spelling of 91828324141 in words is "ninety-one billion, eight hundred twenty-eight million, three hundred twenty-four thousand, one hundred forty-one".

Divisors: 1 85247 1077203 91828324141