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31542424055105 = 540011576727021
BaseRepresentation
bin1110010110000000010101…
…11110110010110101000001
311010200102111202200012011212
413023000022332302311001
513113242341024230410
6151030220051415505
76433602446500505
oct713001276626501
9133612452605155
1031542424055105
11a061081084a07
123655171bb4595
13147a58cb96b32
147b0939106305
1539a756883b05
hex1cb00afb2d41

31542424055105 has 8 divisors (see below), whose sum is σ = 37860369252264. Its totient is φ = 25227632320000.

The previous prime is 31542424055063. The next prime is 31542424055113. The reversal of 31542424055105 is 50155042424513.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3375924842161 + 28166499212944 = 1837369^2 + 5307212^2 .

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

It is not a de Polignac number, because 31542424055105 - 226 = 31542356946241 is a prime.

It is a super-2 number, since 2×315424240551052 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788343506 + ... + 788383515.

It is an arithmetic number, because the mean of its divisors is an integer number (4732546156533).

Almost surely, 231542424055105 is an apocalyptic number.

It is an amenable number.

31542424055105 is a deficient number, since it is larger than the sum of its proper divisors (6317945197159).

31542424055105 is a wasteful number, since it uses less digits than its factorization.

31542424055105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576731027.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 31542424055105 its reverse (50155042424513), we get a palindrome (81697466479618).

The spelling of 31542424055105 in words is "thirty-one trillion, five hundred forty-two billion, four hundred twenty-four million, fifty-five thousand, one hundred five".

Divisors: 1 5 4001 20005 1576727021 7883635105 6308484811021 31542424055105