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2141235444 = 223178436287
BaseRepresentation
bin111111110100000…
…1010100011110100
312112020010000211110
41333220022203310
513341124013234
6552250035020
7104030125635
oct17750124364
95466100743
102141235444
119a9742977
124b9118a70
132817c7b2a
1416454188c
15c7eb01e9
hex7fa0a8f4

2141235444 has 12 divisors (see below), whose sum is σ = 4996216064. Its totient is φ = 713745144.

The previous prime is 2141235431. The next prime is 2141235461. The reversal of 2141235444 is 4445321412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 89218132 + ... + 89218155.

Almost surely, 22141235444 is an apocalyptic number.

It is an amenable number.

2141235444 is an abundant number, since it is smaller than the sum of its proper divisors (2854980620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141235444 is a wasteful number, since it uses less digits than its factorization.

2141235444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178436294 (or 178436292 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 2141235444 is about 46273.4853236710. The cubic root of 2141235444 is about 1288.9066801492.

Adding to 2141235444 its reverse (4445321412), we get a palindrome (6586556856).

The spelling of 2141235444 in words is "two billion, one hundred forty-one million, two hundred thirty-five thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 178436287 356872574 535308861 713745148 1070617722 2141235444