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89195011331 = 139641690729
BaseRepresentation
bin101001100010001101…
…1111101110100000011
322112020011011001021012
41103010123331310003
52430132410330311
6104550422351135
76305223041546
oct1230433756403
9275204131235
1089195011331
11349112931a8
121535328b4ab
13854611381a
14446203485d
1524c086b78b
hex14c46fdd03

89195011331 has 4 divisors (see below), whose sum is σ = 89836702200. Its totient is φ = 88553320464.

The previous prime is 89195011309. The next prime is 89195011343. The reversal of 89195011331 is 13311059198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13311059198 = 26655529599.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89195011331 is a prime.

It is a super-3 number, since 3×891950113313 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89195016331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320845226 + ... + 320845503.

It is an arithmetic number, because the mean of its divisors is an integer number (22459175550).

Almost surely, 289195011331 is an apocalyptic number.

89195011331 is a deficient number, since it is larger than the sum of its proper divisors (641690869).

89195011331 is a wasteful number, since it uses less digits than its factorization.

89195011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641690868.

The product of its (nonzero) digits is 29160, while the sum is 41.

The spelling of 89195011331 in words is "eighty-nine billion, one hundred ninety-five million, eleven thousand, three hundred thirty-one".

Divisors: 1 139 641690729 89195011331