Search a number
-
+
20102330100 = 22352115158217
BaseRepresentation
bin10010101110001100…
…010011011011110100
31220212222002011202110
4102232030103123310
5312132144030400
613122422411020
71311103662246
oct225614233364
956788064673
1020102330100
118586272156
123a90290a70
131b84955ba8
14d89b22096
157c9c30e50
hex4ae3136f4

20102330100 has 72 divisors (see below), whose sum is σ = 58214274048. Its totient is φ = 5355872000.

The previous prime is 20102330069. The next prime is 20102330111. The reversal of 20102330100 is 103320102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 316192 + ... + 374408.

It is an arithmetic number, because the mean of its divisors is an integer number (808531584).

Almost surely, 220102330100 is an apocalyptic number.

20102330100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102330100 is an abundant number, since it is smaller than the sum of its proper divisors (38111943948).

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

20102330100 is a wasteful number, since it uses less digits than its factorization.

20102330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59385 (or 59378 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20102330100 its reverse (103320102), we get a palindrome (20205650202).

The spelling of 20102330100 in words is "twenty billion, one hundred two million, three hundred thirty thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 1151 2302 3453 4604 5755 6906 11510 13812 17265 23020 28775 34530 57550 58217 69060 86325 115100 116434 172650 174651 232868 291085 345300 349302 582170 698604 873255 1164340 1455425 1746510 2910850 3493020 4366275 5821700 8732550 17465100 67007767 134015534 201023301 268031068 335038835 402046602 670077670 804093204 1005116505 1340155340 1675194175 2010233010 3350388350 4020466020 5025582525 6700776700 10051165050 20102330100