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40079143105 = 513615889661
BaseRepresentation
bin100101010100111001…
…110011000011000001
310211110011222102102121
4211110321303003001
51124040230034410
630225003044241
72616125044501
oct452471630301
9124404872377
1040079143105
1115aa76a4471
127926510681
133a195a28c1
141d22ccda01
15109891b9da
hex954e730c1

40079143105 has 8 divisors (see below), whose sum is σ = 48130317864. Its totient is φ = 32039750400.

The previous prime is 40079143103. The next prime is 40079143121. The reversal of 40079143105 is 50134197004.

It can be written as a sum of positive squares in 4 ways, for example, as 541399824 + 39537743281 = 23268^2 + 198841^2 .

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

It is not a de Polignac number, because 40079143105 - 21 = 40079143103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40079143103) 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, 2938026 + ... + 2951635.

It is an arithmetic number, because the mean of its divisors is an integer number (6016289733).

Almost surely, 240079143105 is an apocalyptic number.

It is an amenable number.

40079143105 is a deficient number, since it is larger than the sum of its proper divisors (8051174759).

40079143105 is a wasteful number, since it uses less digits than its factorization.

40079143105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891027.

The product of its (nonzero) digits is 15120, while the sum is 34.

It can be divided in two parts, 40079 and 143105, that added together give a square (183184 = 4282).

The spelling of 40079143105 in words is "forty billion, seventy-nine million, one hundred forty-three thousand, one hundred five".

Divisors: 1 5 1361 6805 5889661 29448305 8015828621 40079143105