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6261411421 = 1371631991409
BaseRepresentation
bin1011101010011010…
…11000111001011101
3121011100221122201201
411311031120321131
5100310410131141
62513151435501
7311110055536
oct56515307135
917140848651
106261411421
112723449091
121268b25b91
1378a2a5595
1443581968d
15269a73031
hex175358e5d

6261411421 has 16 divisors (see below), whose sum is σ = 6382224000. Its totient is φ = 6142169088.

The previous prime is 6261411347. The next prime is 6261411433. The reversal of 6261411421 is 1241141626.

It is a cyclic number.

It is not a de Polignac number, because 6261411421 - 219 = 6260887133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6261411421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6261411461) 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, 4443165 + ... + 4444573.

It is an arithmetic number, because the mean of its divisors is an integer number (398889000).

Almost surely, 26261411421 is an apocalyptic number.

It is an amenable number.

6261411421 is a deficient number, since it is larger than the sum of its proper divisors (120812579).

6261411421 is a wasteful number, since it uses less digits than its factorization.

6261411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908.

The product of its digits is 2304, while the sum is 28.

The square root of 6261411421 is about 79129.0807541703. The cubic root of 6261411421 is about 1843.1361353037.

The spelling of 6261411421 in words is "six billion, two hundred sixty-one million, four hundred eleven thousand, four hundred twenty-one".

Divisors: 1 137 163 199 1409 22331 27263 32437 193033 229667 280391 4443869 31464379 38413567 45703733 6261411421