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331142623445 = 5491140995731
BaseRepresentation
bin1001101000110011010…
…00110111000011010101
31011122201220021012211002
410310121220313003111
520411140002422240
6412042543353045
732632010600024
oct4643150670325
91148656235732
10331142623445
11118489418227
1254216bb2785
13252c3b4934a
14120552228bb
15893178cd15
hex4d19a370d5

331142623445 has 16 divisors (see below), whose sum is σ = 398467218240. Its totient is φ = 264184166400.

The previous prime is 331142623429. The next prime is 331142623457. The reversal of 331142623445 is 544326241133.

It is not a de Polignac number, because 331142623445 - 24 = 331142623429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331142623399 and 331142623408.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3411230 + ... + 3506960.

It is an arithmetic number, because the mean of its divisors is an integer number (24904201140).

Almost surely, 2331142623445 is an apocalyptic number.

It is an amenable number.

331142623445 is a deficient number, since it is larger than the sum of its proper divisors (67324594795).

331142623445 is a wasteful number, since it uses less digits than its factorization.

331142623445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97636.

The product of its digits is 207360, while the sum is 38.

Adding to 331142623445 its reverse (544326241133), we get a palindrome (875468864578).

The spelling of 331142623445 in words is "three hundred thirty-one billion, one hundred forty-two million, six hundred twenty-three thousand, four hundred forty-five".

Divisors: 1 5 491 1409 2455 7045 95731 478655 691819 3459095 47003921 134884979 235019605 674424895 66228524689 331142623445