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9142259693 = 73199742257
BaseRepresentation
bin10001000001110101…
…11100111111101101
3212121010202220121212
420200322330333231
5122210404302233
64111102204205
7442360632230
oct104072747755
925533686555
109142259693
113971627026
121931883665
13b2909c028
1462a287417
1538792ca48
hex220ebcfed

9142259693 has 16 divisors (see below), whose sum is σ = 10796411904. Its totient is φ = 7575655680.

The previous prime is 9142259669. The next prime is 9142259701. The reversal of 9142259693 is 3969522419.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9142259693 - 210 = 9142258669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9142259593) 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, 195221 + ... + 237477.

It is an arithmetic number, because the mean of its divisors is an integer number (674775744).

Almost surely, 29142259693 is an apocalyptic number.

It is an amenable number.

9142259693 is a deficient number, since it is larger than the sum of its proper divisors (1654152211).

9142259693 is a wasteful number, since it uses less digits than its factorization.

9142259693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43292.

The product of its digits is 1049760, while the sum is 50.

The square root of 9142259693 is about 95615.1645556289. The cubic root of 9142259693 is about 2090.9862863968.

The spelling of 9142259693 in words is "nine billion, one hundred forty-two million, two hundred fifty-nine thousand, six hundred ninety-three".

Divisors: 1 7 31 217 997 6979 30907 42257 216349 295799 1309967 9169769 42130229 294911603 1306037099 9142259693