Search a number
-
+
1201123330 = 2511711131361
BaseRepresentation
bin100011110010111…
…1011000000000010
310002201010101110021
41013211323000002
54424441421310
6315104124054
741523244201
oct10745730002
93081111407
101201123330
11567003810
1229630662a
13161ac8884
14b5743238
15706ad5da
hex4797b002

1201123330 has 64 divisors (see below), whose sum is σ = 2414727936. Its totient is φ = 426496000.

The previous prime is 1201123291. The next prime is 1201123393. The reversal of 1201123330 is 333211021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881850 + ... + 883210.

It is an arithmetic number, because the mean of its divisors is an integer number (37730124).

Almost surely, 21201123330 is an apocalyptic number.

1201123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201123330 is an abundant number, since it is smaller than the sum of its proper divisors (1213604606).

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

1201123330 is a wasteful number, since it uses less digits than its factorization.

1201123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1201123330 is about 34657.2262306146. The cubic root of 1201123330 is about 1062.9900536164.

Adding to 1201123330 its reverse (333211021), we get a palindrome (1534334351).

The spelling of 1201123330 in words is "one billion, two hundred one million, one hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 71 110 113 142 226 355 565 710 781 1130 1243 1361 1562 2486 2722 3905 6215 6805 7810 8023 12430 13610 14971 16046 29942 40115 74855 80230 88253 96631 149710 153793 176506 193262 307586 441265 483155 768965 882530 966310 1062941 1537930 1691723 2125882 3383446 5314705 8458615 10629410 10919303 16917230 21838606 54596515 109193030 120112333 240224666 600561665 1201123330