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15091315095552 = 211313119397151
BaseRepresentation
bin1101101110011011100001…
…1110011011100000000000
31222102201022200210212022120
43123212320132123200000
53434224003131024202
652032504321004240
73115211566535013
oct333467036334000
958381280725276
1015091315095552
114899210a3a3a3
12183896aa83680
138561496339b7
143a25d030337a
151b285e1b40bc
hexdb9b879b800

15091315095552 has 192 divisors, whose sum is σ = 40751284654080. Its totient is φ = 4966121472000.

The previous prime is 15091315095491. The next prime is 15091315095569. The reversal of 15091315095552 is 25559051319051.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 15091315095495 and 15091315095504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155290177 + ... + 155387327.

It is an arithmetic number, because the mean of its divisors is an integer number (212246274240).

Almost surely, 215091315095552 is an apocalyptic number.

15091315095552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15091315095552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20375642327040).

15091315095552 is an abundant number, since it is smaller than the sum of its proper divisors (25659969558528).

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

15091315095552 is a wasteful number, since it uses less digits than its factorization.

15091315095552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97500 (or 97480 counting only the distinct ones).

The product of its (nonzero) digits is 1518750, while the sum is 51.

The spelling of 15091315095552 in words is "fifteen trillion, ninety-one billion, three hundred fifteen million, ninety-five thousand, five hundred fifty-two".