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40812682105 = 513627887417
BaseRepresentation
bin100110000000101000…
…000001101101111001
310220100022021001202201
4212000220001231321
51132041021311410
630425445230201
72643243034246
oct460050015571
9126308231681
1040812682105
1116343771148
127ab0102361
133b05555a50
141d924b85cd
1510dd01683a
hex980a01b79

40812682105 has 8 divisors (see below), whose sum is σ = 52742543112. Its totient is φ = 30138595968.

The previous prime is 40812682037. The next prime is 40812682109. The reversal of 40812682105 is 50128621804.

It can be written as a sum of positive squares in 4 ways, for example, as 445041216 + 40367640889 = 21096^2 + 200917^2 .

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

It is not a de Polignac number, because 40812682105 - 219 = 40812157817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40812682109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313943644 + ... + 313943773.

It is an arithmetic number, because the mean of its divisors is an integer number (6592817889).

Almost surely, 240812682105 is an apocalyptic number.

It is an amenable number.

40812682105 is a deficient number, since it is larger than the sum of its proper divisors (11929861007).

40812682105 is a wasteful number, since it uses less digits than its factorization.

40812682105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627887435.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 40812682105 in words is "forty billion, eight hundred twelve million, six hundred eighty-two thousand, one hundred five".

Divisors: 1 5 13 65 627887417 3139437085 8162536421 40812682105