Search a number
-
+
23123120300 = 22527137241117
BaseRepresentation
bin10101100010001111…
…101101000010101100
32012200111020012212222
4111202033231002230
5334324004322200
614342252414512
71446004164620
oct254217550254
965614205788
1023123120300
119896442585
124593a77438
132246739407
141194dbb180
1590502ed85
hex5623ed0ac

23123120300 has 72 divisors (see below), whose sum is σ = 57764157024. Its totient is φ = 7870026240.

The previous prime is 23123120281. The next prime is 23123120309. The reversal of 23123120300 is 302132132.

It is not an unprimeable number, because it can be changed into a prime (23123120309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24659 + ... + 216458.

Almost surely, 223123120300 is an apocalyptic number.

23123120300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23123120300 is an abundant number, since it is smaller than the sum of its proper divisors (34641036724).

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

23123120300 is a wasteful number, since it uses less digits than its factorization.

23123120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241275 (or 241268 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23123120300 its reverse (302132132), we get a palindrome (23425252432).

The spelling of 23123120300 in words is "twenty-three billion, one hundred twenty-three million, one hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 137 140 175 274 350 548 685 700 959 1370 1918 2740 3425 3836 4795 6850 9590 13700 19180 23975 47950 95900 241117 482234 964468 1205585 1687819 2411170 3375638 4822340 6027925 6751276 8439095 12055850 16878190 24111700 33033029 33756380 42195475 66066058 84390950 132132116 165165145 168781900 231231203 330330290 462462406 660660580 825825725 924924812 1156156015 1651651450 2312312030 3303302900 4624624060 5780780075 11561560150 23123120300