Search a number
-
+
122035201440 = 25351061239623
BaseRepresentation
bin111000110100111011…
…1010110010110100000
3102122222211202120000120
41301221313112112200
53444412002421230
6132021233520240
711550101045205
oct1615167262640
9378884676016
10122035201440
1147833765089
121b799413080
13b67aa38089
145c99765cac
1532939bd310
hex1c69dd65a0

122035201440 has 96 divisors (see below), whose sum is σ = 384774800256. Its totient is φ = 32511912960.

The previous prime is 122035201423. The next prime is 122035201451. The reversal of 122035201440 is 44102530221.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a self number, because there is not a number n which added to its sum of digits gives 122035201440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389469 + ... + 629091.

It is an arithmetic number, because the mean of its divisors is an integer number (4008070836).

Almost surely, 2122035201440 is an apocalyptic number.

122035201440 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 122035201440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192387400128).

122035201440 is an abundant number, since it is smaller than the sum of its proper divisors (262739598816).

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

122035201440 is a wasteful number, since it uses less digits than its factorization.

122035201440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240702 (or 240694 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 122035201440 its reverse (44102530221), we get a palindrome (166137731661).

The spelling of 122035201440 in words is "one hundred twenty-two billion, thirty-five million, two hundred one thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 1061 2122 3183 4244 5305 6366 8488 10610 12732 15915 16976 21220 25464 31830 33952 42440 50928 63660 84880 101856 127320 169760 239623 254640 479246 509280 718869 958492 1198115 1437738 1916984 2396230 2875476 3594345 3833968 4792460 5750952 7188690 7667936 9584920 11501904 14377380 19169840 23003808 28754760 38339680 57509520 115019040 254240003 508480006 762720009 1016960012 1271200015 1525440018 2033920024 2542400030 3050880036 3813600045 4067840048 5084800060 6101760072 7627200090 8135680096 10169600120 12203520144 15254400180 20339200240 24407040288 30508800360 40678400480 61017600720 122035201440