Search a number
-
+
1368109200 = 243521140091
BaseRepresentation
bin101000110001011…
…1011000010010000
310112100100011000010
41101202323002100
510300213443300
6343431154520
745621510363
oct12142730220
93470304003
101368109200
11642297767
12322215a40
1318a593c93
14cd9b00da
1580195a50
hex518bb090

1368109200 has 60 divisors (see below), whose sum is σ = 4382513648. Its totient is φ = 364828800.

The previous prime is 1368109189. The next prime is 1368109213. The reversal of 1368109200 is 29018631.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568846 + ... + 571245.

Almost surely, 21368109200 is an apocalyptic number.

1368109200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1368109200 is an abundant number, since it is smaller than the sum of its proper divisors (3014404448).

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

1368109200 is a wasteful number, since it uses less digits than its factorization.

1368109200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140112 (or 1140101 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1368109200 is about 36987.9602032878. The cubic root of 1368109200 is about 1110.1293575402.

The spelling of 1368109200 in words is "one billion, three hundred sixty-eight million, one hundred nine thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 1140091 2280182 3420273 4560364 5700455 6840546 9120728 11400910 13681092 17101365 18241456 22801820 27362184 28502275 34202730 45603640 54724368 57004550 68405460 85506825 91207280 114009100 136810920 171013650 228018200 273621840 342027300 456036400 684054600 1368109200