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101680800 = 25352133259
BaseRepresentation
bin1100000111110…
…00011010100000
321002022220211120
412003320122200
5202012241200
614031212240
72343162324
oct603703240
9232286746
10101680800
115243a321
122a077080
13180b1870
14d70b984
158dd79a0
hex60f86a0

101680800 has 144 divisors (see below), whose sum is σ = 356539680. Its totient is φ = 25021440.

The previous prime is 101680793. The next prime is 101680807. The reversal of 101680800 is 8086101.

It is an interprime number because it is at equal distance from previous prime (101680793) and next prime (101680807).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (101680807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29571 + ... + 32829.

It is an arithmetic number, because the mean of its divisors is an integer number (2475970).

Almost surely, 2101680800 is an apocalyptic number.

101680800 is a gapful number since it is divisible by the number (10) 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 101680800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178269840).

101680800 is an abundant number, since it is smaller than the sum of its proper divisors (254858880).

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

101680800 is a wasteful number, since it uses less digits than its factorization.

101680800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295 (or 3282 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 101680800 is about 10083.6898008616. The cubic root of 101680800 is about 466.7449755208.

The spelling of 101680800 in words is "one hundred one million, six hundred eighty thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 32 39 40 48 50 52 60 65 75 78 80 96 100 104 120 130 150 156 160 195 200 208 240 260 300 312 325 390 400 416 480 520 600 624 650 780 800 975 1040 1200 1248 1300 1560 1950 2080 2400 2600 3120 3259 3900 5200 6240 6518 7800 9777 10400 13036 15600 16295 19554 26072 31200 32590 39108 42367 48885 52144 65180 78216 81475 84734 97770 104288 127101 130360 156432 162950 169468 195540 211835 244425 254202 260720 312864 325900 338936 391080 423670 488850 508404 521440 635505 651800 677872 782160 847340 977700 1016808 1059175 1271010 1303600 1355744 1564320 1694680 1955400 2033616 2118350 2542020 2607200 3177525 3389360 3910800 4067232 4236700 5084040 6355050 6778720 7821600 8473400 10168080 12710100 16946800 20336160 25420200 33893600 50840400 101680800