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9925427694 = 2371318178439
BaseRepresentation
bin10010011111001101…
…00000000111101110
3221121201102222011010
421033212200013232
5130311402141234
64320520210050
7500650512660
oct111746400756
927551388133
109925427694
114233710806
121b10009926
13c2240a750
146a22b0530
153d157c6e9
hex24f9a01ee

9925427694 has 32 divisors (see below), whose sum is σ = 24431823360. Its totient is φ = 2617695072.

The previous prime is 9925427623. The next prime is 9925427731. The reversal of 9925427694 is 4967245299.

9925427694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×99254276943 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9088674 + ... + 9089765.

It is an arithmetic number, because the mean of its divisors is an integer number (763494480).

Almost surely, 29925427694 is an apocalyptic number.

9925427694 is an abundant number, since it is smaller than the sum of its proper divisors (14506395666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9925427694 is a wasteful number, since it uses less digits than its factorization.

9925427694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18178464.

The product of its digits is 9797760, while the sum is 57.

The square root of 9925427694 is about 99626.4407373866. The cubic root of 9925427694 is about 2149.0659504252.

The spelling of 9925427694 in words is "nine billion, nine hundred twenty-five million, four hundred twenty-seven thousand, six hundred ninety-four".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 18178439 36356878 54535317 109070634 127249073 236319707 254498146 381747219 472639414 708959121 763494438 1417918242 1654237949 3308475898 4962713847 9925427694