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3143420501 = 133133172437
BaseRepresentation
bin1011101101011100…
…1100101001010101
322010001220022021112
42323113030221111
522414203424001
61235530224405
7140616430154
oct27327145125
98101808245
103143420501
111373419391
12738885105
133b131b740
1421b69b59b
15135e73cbb
hexbb5cca55

3143420501 has 16 divisors (see below), whose sum is σ = 3408148464. Its totient is φ = 2882041344.

The previous prime is 3143420471. The next prime is 3143420503. The reversal of 3143420501 is 1050243413.

It can be written as a sum of positive squares in 8 ways, for example, as 860014276 + 2283406225 = 29326^2 + 47785^2 .

It is not a de Polignac number, because 3143420501 - 222 = 3139226197 is a prime.

It is a super-2 number, since 2×31434205012 = 19762184892214182002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143420503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1288655 + ... + 1291091.

It is an arithmetic number, because the mean of its divisors is an integer number (213009279).

Almost surely, 23143420501 is an apocalyptic number.

It is an amenable number.

3143420501 is a deficient number, since it is larger than the sum of its proper divisors (264727963).

3143420501 is a wasteful number, since it uses less digits than its factorization.

3143420501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3143420501 is about 56066.2153261659. The cubic root of 3143420501 is about 1464.8758763705.

Adding to 3143420501 its reverse (1050243413), we get a palindrome (4193663914).

The spelling of 3143420501 in words is "three billion, one hundred forty-three million, four hundred twenty thousand, five hundred one".

Divisors: 1 13 313 317 2437 4069 4121 31681 99221 762781 772529 1289873 9916153 10042877 241801577 3143420501