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28916098563548 = 2272355109814763
BaseRepresentation
bin1101001001100100011011…
…10010000111110111011100
310210101100111121220202022202
412210302031302013313130
512242230132213013143
6141255512225431032
76043055610242240
oct644621562076734
9123340447822282
1028916098563548
119239280886139
1232b0172a9b478
131319a12979c31
1471d791d90420
153522927dcab8
hex1a4c8dc87ddc

28916098563548 has 48 divisors (see below), whose sum is σ = 60347809589760. Its totient is φ = 11853574734144.

The previous prime is 28916098563461. The next prime is 28916098563557. The reversal of 28916098563548 is 84536589061982.

It is a super-2 number, since 2×289160985635482 (a number of 28 digits) contains 22 as substring.

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, 35082815 + ... + 35897577.

It is an arithmetic number, because the mean of its divisors is an integer number (1257246033120).

Almost surely, 228916098563548 is an apocalyptic number.

28916098563548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28916098563548 is an abundant number, since it is smaller than the sum of its proper divisors (31431711026212).

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

28916098563548 is a wasteful number, since it uses less digits than its factorization.

28916098563548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869906 (or 869904 counting only the distinct ones).

The product of its (nonzero) digits is 895795200, while the sum is 74.

The spelling of 28916098563548 in words is "twenty-eight trillion, nine hundred sixteen billion, ninety-eight million, five hundred sixty-three thousand, five hundred forty-eight".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 55109 110218 220436 385763 771526 814763 1267507 1543052 1629526 2535014 3259052 5070028 5703341 8872549 11406682 17745098 18739549 22813364 35490196 37479098 74958196 131176843 262353686 524707372 44900774167 89801548334 179603096668 314305419169 628610838338 1032717805841 1257221676676 2065435611682 4130871223364 7229024640887 14458049281774 28916098563548