Search a number
-
+
1080961300 = 2252191394093
BaseRepresentation
bin100000001101110…
…0010100100010100
32210100000112010201
41000123202210110
54203211230200
6255132430244
735534006446
oct10033424424
92710015121
101080961300
115051a1251
12262018384
13142c45c93
14a37c4496
1564d74c6a
hex406e2914

1080961300 has 72 divisors (see below), whose sum is σ = 2487514400. Its totient is φ = 406581120.

The previous prime is 1080961163. The next prime is 1080961313. The reversal of 1080961300 is 31690801.

1080961300 = 1213 + 1223 + ... + 2593.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 262054 + ... + 266146.

Almost surely, 21080961300 is an apocalyptic number.

1080961300 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 1080961300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243757200).

1080961300 is an abundant number, since it is smaller than the sum of its proper divisors (1406553100).

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

1080961300 is a wasteful number, since it uses less digits than its factorization.

1080961300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265 (or 4258 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1080961300 is about 32877.9759109347. The cubic root of 1080961300 is about 1026.2898851185.

The spelling of 1080961300 in words is "one billion, eighty million, nine hundred sixty-one thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 139 190 278 380 475 556 695 950 1390 1900 2641 2780 3475 4093 5282 6950 8186 10564 13205 13900 16372 20465 26410 40930 52820 66025 77767 81860 102325 132050 155534 204650 264100 311068 388835 409300 568927 777670 1137854 1555340 1944175 2275708 2844635 3888350 5689270 7776700 10809613 11378540 14223175 21619226 28446350 43238452 54048065 56892700 108096130 216192260 270240325 540480650 1080961300