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105542330320 = 2457892117623
BaseRepresentation
bin110001001001011010…
…0000010011111010000
3101002102102111220011001
41202102310002133100
53212122314032240
6120252510231344
710424303001640
oct1422264023720
9332372456131
10105542330320
114083a991989
1218555ab5554
139c4cb2483b
145173176520
152b2aabb89a
hex1892d027d0

105542330320 has 80 divisors (see below), whose sum is σ = 283592206080. Its totient is φ = 35779341312.

The previous prime is 105542330297. The next prime is 105542330323. The reversal of 105542330320 is 23033245501.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1055423303202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105542330323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008972 + ... + 1108651.

It is an arithmetic number, because the mean of its divisors is an integer number (3544902576).

Almost surely, 2105542330320 is an apocalyptic number.

105542330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105542330320 is an abundant number, since it is smaller than the sum of its proper divisors (178049875760).

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

105542330320 is a wasteful number, since it uses less digits than its factorization.

105542330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117732 (or 2117726 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 105542330320 its reverse (23033245501), we get a palindrome (128575575821).

The spelling of 105542330320 in words is "one hundred five billion, five hundred forty-two million, three hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 89 112 140 178 280 356 445 560 623 712 890 1246 1424 1780 2492 3115 3560 4984 6230 7120 9968 12460 24920 49840 2117623 4235246 8470492 10588115 14823361 16940984 21176230 29646722 33881968 42352460 59293444 74116805 84704920 118586888 148233610 169409840 188468447 237173776 296467220 376936894 592934440 753873788 942342235 1185868880 1319279129 1507747576 1884684470 2638558258 3015495152 3769368940 5277116516 6596395645 7538737880 10554233032 13192791290 15077475760 21108466064 26385582580 52771165160 105542330320