Search a number
-
+
133230232100 = 22527892138527
BaseRepresentation
bin111110000010100100…
…1000000001000100100
3110201220001012001000202
41330011021000020210
54140323414411400
6141112150130032
712424366200440
oct1740511001044
9421801161022
10133230232100
1151558aa1339
12219a2650918
13c743199b84
14663c4c3820
1536eb7344d5
hex1f05240224

133230232100 has 72 divisors (see below), whose sum is σ = 334123614720. Its totient is φ = 45165669120.

The previous prime is 133230232099. The next prime is 133230232123. The reversal of 133230232100 is 1232032331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1006964 + ... + 1131563.

It is an arithmetic number, because the mean of its divisors is an integer number (4640605760).

Almost surely, 2133230232100 is an apocalyptic number.

133230232100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133230232100 is an abundant number, since it is smaller than the sum of its proper divisors (200893382620).

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

133230232100 is a wasteful number, since it uses less digits than its factorization.

133230232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138637 (or 2138630 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 133230232100 its reverse (1232032331), we get a palindrome (134462264431).

The spelling of 133230232100 in words is "one hundred thirty-three billion, two hundred thirty million, two hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 89 100 140 175 178 350 356 445 623 700 890 1246 1780 2225 2492 3115 4450 6230 8900 12460 15575 31150 62300 2138527 4277054 8554108 10692635 14969689 21385270 29939378 42770540 53463175 59878756 74848445 106926350 149696890 190328903 213852700 299393780 374242225 380657806 748484450 761315612 951644515 1332302321 1496968900 1903289030 2664604642 3806578060 4758222575 5329209284 6661511605 9516445150 13323023210 19032890300 26646046420 33307558025 66615116050 133230232100