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4935123561 = 31645041187
BaseRepresentation
bin1001001100010100…
…00000001001101001
3110201221022020211010
410212022000021221
540101342423221
62133412454133
7233203600224
oct44612001151
913657266733
104935123561
112102826415
12b5891a349
13608595174
1434b6145bb
151dd3ddc76
hex126280269

4935123561 has 4 divisors (see below), whose sum is σ = 6580164752. Its totient is φ = 3290082372.

The previous prime is 4935123559. The next prime is 4935123623. The reversal of 4935123561 is 1653215394.

4935123561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4935123561 - 21 = 4935123559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4935123541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822520591 + ... + 822520596.

It is an arithmetic number, because the mean of its divisors is an integer number (1645041188).

Almost surely, 24935123561 is an apocalyptic number.

It is an amenable number.

4935123561 is a deficient number, since it is larger than the sum of its proper divisors (1645041191).

4935123561 is a wasteful number, since it uses less digits than its factorization.

4935123561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645041190.

The product of its digits is 97200, while the sum is 39.

The square root of 4935123561 is about 70250.4345965205. The cubic root of 4935123561 is about 1702.5479164798.

The spelling of 4935123561 in words is "four billion, nine hundred thirty-five million, one hundred twenty-three thousand, five hundred sixty-one".

Divisors: 1 3 1645041187 4935123561