Search a number
-
+
123233032001320 = 23525795311943361
BaseRepresentation
bin11100000001010001101101…
…000110001101011100101000
3121011022221222212212112011021
4130001101231012031130220
5112123022222143020240
61114032250124542224
734646202261602143
oct3401215506153450
9534287885775137
10123233032001320
11362a192098262a
12119a34790b1974
13539ba9584b247
14226072102905a
15e3a89220d54a
hex70146d18d728

123233032001320 has 32 divisors (see below), whose sum is σ = 277275420121320. Its totient is φ = 49293017579520.

The previous prime is 123233032001171. The next prime is 123233032001347. The reversal of 123233032001320 is 23100230332321.

It can be written as a sum of positive squares in 4 ways, for example, as 90233774729316 + 32999257272004 = 9499146^2 + 5744498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346440 + ... + 16289800.

Almost surely, 2123233032001320 is an apocalyptic number.

123233032001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123233032001320 is an abundant number, since it is smaller than the sum of its proper divisors (154042388120000).

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

123233032001320 is a wasteful number, since it uses less digits than its factorization.

123233032001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12201325 (or 12201321 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 123233032001320 its reverse (23100230332321), we get a palindrome (146333262333641).

The spelling of 123233032001320 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, thirty-two million, one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 257953 515906 1031812 1289765 2063624 2579530 5159060 10318120 11943361 23886722 47773444 59716805 95546888 119433610 238867220 477734440 3080825800033 6161651600066 12323303200132 15404129000165 24646606400264 30808258000330 61616516000660 123233032001320