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2801426145 = 35726680249
BaseRepresentation
bin1010011011111010…
…0101111011100001
321020020101012012220
42212332211323201
521214131114040
61141552141253
7126264505110
oct24676457341
97206335186
102801426145
111208371a21
12662237829
1335850940b
141c80b5c77
15115e1c2d0
hexa6fa5ee1

2801426145 has 16 divisors (see below), whose sum is σ = 5122608000. Its totient is φ = 1280651904.

The previous prime is 2801426143. The next prime is 2801426149. The reversal of 2801426145 is 5416241082.

It is a happy number.

It is not a de Polignac number, because 2801426145 - 21 = 2801426143 is a prime.

It is a super-2 number, since 2×28014261452 = 15695976891779122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2801426143) by changing a digit.

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, 13340020 + ... + 13340229.

It is an arithmetic number, because the mean of its divisors is an integer number (320163000).

Almost surely, 22801426145 is an apocalyptic number.

It is an amenable number.

2801426145 is a deficient number, since it is larger than the sum of its proper divisors (2321181855).

2801426145 is a wasteful number, since it uses less digits than its factorization.

2801426145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26680264.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2801426145 is about 52928.5003093796. The cubic root of 2801426145 is about 1409.6990026980.

The spelling of 2801426145 in words is "two billion, eight hundred one million, four hundred twenty-six thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 26680249 80040747 133401245 186761743 400203735 560285229 933808715 2801426145