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109891366260 = 223513140886367
BaseRepresentation
bin110011001011000001…
…0010010110101110100
3101111122111222210220020
41212112002102311310
53300024142210020
6122252225205140
710640132126004
oct1462602226564
9344574883806
10109891366260
11426718a1a65
121936a4907b0
13a493b526a0
1454669c6004
152cd27d9c40
hex1996092d74

109891366260 has 48 divisors (see below), whose sum is σ = 331364737536. Its totient is φ = 27050182272.

The previous prime is 109891366241. The next prime is 109891366297. The reversal of 109891366260 is 62663198901.

It is a super-2 number, since 2×1098913662602 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70442404 + ... + 70443963.

It is an arithmetic number, because the mean of its divisors is an integer number (6903432032).

Almost surely, 2109891366260 is an apocalyptic number.

109891366260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109891366260 is an abundant number, since it is smaller than the sum of its proper divisors (221473371276).

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

109891366260 is a wasteful number, since it uses less digits than its factorization.

109891366260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140886392 (or 140886390 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 109891366260 in words is "one hundred nine billion, eight hundred ninety-one million, three hundred sixty-six thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 140886367 281772734 422659101 563545468 704431835 845318202 1408863670 1690636404 1831522771 2113295505 2817727340 3663045542 4226591010 5494568313 7326091084 8453182020 9157613855 10989136626 18315227710 21978273252 27472841565 36630455420 54945683130 109891366260