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23404130109 = 3231376313593
BaseRepresentation
bin10101110010111111…
…101010111100111101
32020102001222222212200
4111302333222330331
5340412424130414
614430211422113
71455655552323
oct256277527475
966361888780
1023404130109
119a20026398
124651bb4939
13228ca185c9
1411c0449d13
1591ea3c109
hex572feaf3d

23404130109 has 48 divisors (see below), whose sum is σ = 35906417664. Its totient is φ = 14663980800.

The previous prime is 23404130083. The next prime is 23404130119. The reversal of 23404130109 is 90103140432.

23404130109 is a `hidden beast` number, since 23 + 404 + 130 + 109 = 666.

It is not a de Polignac number, because 23404130109 - 215 = 23404097341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404130119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6512017 + ... + 6515609.

It is an arithmetic number, because the mean of its divisors is an integer number (748050368).

Almost surely, 223404130109 is an apocalyptic number.

It is an amenable number.

23404130109 is a deficient number, since it is larger than the sum of its proper divisors (12502287555).

23404130109 is a wasteful number, since it uses less digits than its factorization.

23404130109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298 (or 4295 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 23404130109 in words is "twenty-three billion, four hundred four million, one hundred thirty thousand, one hundred nine".

Divisors: 1 3 9 31 37 93 111 279 333 631 1147 1893 3441 3593 5679 10323 10779 19561 23347 32337 58683 70041 111383 132941 176049 210123 334149 398823 723757 1002447 1196469 2171271 2267183 4121171 6513813 6801549 12363513 20404647 37090539 70282673 83885771 210848019 251657313 632544057 754971939 2600458901 7801376703 23404130109