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98211868797 = 3734573
BaseRepresentation
bin101101101110111100…
…0100011000001111101
3100101111112221212101010
41123131320203001331
53102114214300142
6113041245105433
710044532053000
oct1333570430175
9311445855333
1098211868797
1138719048719
121704ab58279
139352216a43
144a79797537
15284c277e9c
hex16dde2307d

98211868797 has 32 divisors (see below), whose sum is σ = 153045280000. Its totient is φ = 55998264672.

The previous prime is 98211868793. The next prime is 98211868823. The reversal of 98211868797 is 79786811289.

It is an ABA number since it can be written as A⋅BA, here for A=3, B=3199.

It is not a de Polignac number, because 98211868797 - 22 = 98211868793 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 (98211868793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214905393 + ... + 214905849.

It is an arithmetic number, because the mean of its divisors is an integer number (4782665000).

Almost surely, 298211868797 is an apocalyptic number.

It is an amenable number.

98211868797 is a deficient number, since it is larger than the sum of its proper divisors (54833411203).

98211868797 is an frugal number, since it uses more digits than its factorization.

With its predecessor (98211868796) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (1395).

98211868797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 467 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 66.

The spelling of 98211868797 in words is "ninety-eight billion, two hundred eleven million, eight hundred sixty-eight thousand, seven hundred ninety-seven".

Divisors: 1 3 7 21 49 147 343 457 1029 1371 3199 9597 22393 67179 156751 208849 470253 626547 1461943 4385829 10233601 30700803 71635207 95443993 214905621 286331979 668107951 2004323853 4676755657 14030266971 32737289599 98211868797