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2141235591 = 31164885927
BaseRepresentation
bin111111110100000…
…1010100110000111
312112020010001000220
41333220022212013
513341124014331
6552250035423
7104030126235
oct17750124607
95466101026
102141235591
119a9742aa0
124b9118b73
132817c7c11
14164541955
15c7eb0296
hex7fa0a987

2141235591 has 8 divisors (see below), whose sum is σ = 3114524544. Its totient is φ = 1297718520.

The previous prime is 2141235583. The next prime is 2141235599. The reversal of 2141235591 is 1955321412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2141235583) and next prime (2141235599).

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

It is not a de Polignac number, because 2141235591 - 23 = 2141235583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 64885927 = 2141235591 / (2 + 1 + 4 + 1 + 2 + 3 + 5 + 5 + 9 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141235599) 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 7 ways as a sum of consecutive naturals, for example, 32442931 + ... + 32442996.

It is an arithmetic number, because the mean of its divisors is an integer number (389315568).

Almost surely, 22141235591 is an apocalyptic number.

2141235591 is a deficient number, since it is larger than the sum of its proper divisors (973288953).

2141235591 is a wasteful number, since it uses less digits than its factorization.

2141235591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64885941.

The product of its digits is 10800, while the sum is 33.

The square root of 2141235591 is about 46273.4869120536. The cubic root of 2141235591 is about 1288.9067096445.

It can be divided in two parts, 2141 and 235591, that added together give a palindrome (237732).

The spelling of 2141235591 in words is "two billion, one hundred forty-one million, two hundred thirty-five thousand, five hundred ninety-one".

Divisors: 1 3 11 33 64885927 194657781 713745197 2141235591