Search a number
-
+
102542286720 = 2735128341627
BaseRepresentation
bin101111101111111111…
…1110001111110000000
3100210200100101220000010
41133133333301332000
53140001311133340
6115035101024520
710260044025066
oct1373777617600
9323610356003
10102542286720
113a5404a1805
1217a59255140
139892426503
144d6a95c036
152a02519b80
hex17dfff1f80

102542286720 has 128 divisors (see below), whose sum is σ = 327116154240. Its totient is φ = 27322640384.

The previous prime is 102542286719. The next prime is 102542286761. The reversal of 102542286720 is 27682245201.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442547 + ... + 2484173.

It is an arithmetic number, because the mean of its divisors is an integer number (2555594955).

Almost surely, 2102542286720 is an apocalyptic number.

102542286720 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 102542286720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163558077120).

102542286720 is an abundant number, since it is smaller than the sum of its proper divisors (224573867520).

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

102542286720 is a wasteful number, since it uses less digits than its factorization.

102542286720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42932 (or 42920 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 102542286720 in words is "one hundred two billion, five hundred forty-two million, two hundred eighty-six thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1283 1920 2566 3849 5132 6415 7698 10264 12830 15396 19245 20528 25660 30792 38490 41056 41627 51320 61584 76980 82112 83254 102640 123168 124881 153960 164224 166508 205280 208135 246336 249762 307920 333016 410560 416270 492672 499524 615840 624405 666032 821120 832540 999048 1231680 1248810 1332064 1665080 1998096 2463360 2497620 2664128 3330160 3996192 4995240 5328256 6660320 7992384 9990480 13320640 15984768 19980960 26641280 39961920 53407441 79923840 106814882 160222323 213629764 267037205 320444646 427259528 534074410 640889292 801111615 854519056 1068148820 1281778584 1602223230 1709038112 2136297640 2563557168 3204446460 3418076224 4272595280 5127114336 6408892920 6836152448 8545190560 10254228672 12817785840 17090381120 20508457344 25635571680 34180762240 51271143360 102542286720