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4144454531 = 717167347601
BaseRepresentation
bin1111011100000111…
…0101101110000011
3101200211112002210222
43313001311232003
531441440021111
61523130013255
7204463165550
oct36701655603
911624462728
104144454531
111837489038
12977b7722b
1351082b479
142b45d7a27
15193cab7db
hexf7075b83

4144454531 has 32 divisors (see below), whose sum is σ = 5068127232. Its totient is φ = 3308313600.

The previous prime is 4144454507. The next prime is 4144454533. The reversal of 4144454531 is 1354544414.

It is a cyclic number.

It is not a de Polignac number, because 4144454531 - 210 = 4144453507 is a prime.

It is a super-2 number, since 2×41444545312 = 34353006719052859922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4144454491 and 4144454500.

It is not an unprimeable number, because it can be changed into a prime (4144454533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6895631 + ... + 6896231.

It is an arithmetic number, because the mean of its divisors is an integer number (158378976).

Almost surely, 24144454531 is an apocalyptic number.

4144454531 is a deficient number, since it is larger than the sum of its proper divisors (923672701).

4144454531 is a wasteful number, since it uses less digits than its factorization.

4144454531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139.

The product of its digits is 76800, while the sum is 35.

The square root of 4144454531 is about 64377.4380586864. The cubic root of 4144454531 is about 1606.2844673250.

Adding to 4144454531 its reverse (1354544414), we get a palindrome (5498998945).

The spelling of 4144454531 in words is "four billion, one hundred forty-four million, four hundred fifty-four thousand, five hundred thirty-one".

Divisors: 1 7 17 119 167 347 601 1169 2429 2839 4207 5899 10217 19873 41293 57949 71519 100367 208547 405643 702569 985133 1459829 1706239 3545299 6895931 11943673 24817093 34827349 243791443 592064933 4144454531