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4011444143 = 72241733871
BaseRepresentation
bin1110111100011001…
…1100011110101111
3101100120020110212022
43233012130132233
531203412203033
61502015100355
7201256466300
oct35706343657
911316213768
104011444143
1117793a03a3
1293b5116bb
134bc0ca6b5
142a0a927a7
15187286098
hexef19c7af

4011444143 has 12 divisors (see below), whose sum is σ = 4668442272. Its totient is φ = 3436856640.

The previous prime is 4011444139. The next prime is 4011444187. The reversal of 4011444143 is 3414441104.

It is not a de Polignac number, because 4011444143 - 22 = 4011444139 is a prime.

It is a super-2 number, since 2×40114441432 = 32183368224818008898, which 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 (4011444193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101498 + ... + 135368.

It is an arithmetic number, because the mean of its divisors is an integer number (389036856).

Almost surely, 24011444143 is an apocalyptic number.

4011444143 is a deficient number, since it is larger than the sum of its proper divisors (656998129).

4011444143 is a wasteful number, since it uses less digits than its factorization.

4011444143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36302 (or 36295 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4011444143 is about 63335.9624778846. The cubic root of 4011444143 is about 1588.9134808993.

Adding to 4011444143 its reverse (3414441104), we get a palindrome (7425885247).

The spelling of 4011444143 in words is "four billion, eleven million, four hundred forty-four thousand, one hundred forty-three".

Divisors: 1 7 49 2417 16919 33871 118433 237097 1659679 81866207 573063449 4011444143