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123233003020 = 22557119515531
BaseRepresentation
bin111001011000101000…
…0100110011000001100
3102210002022122011220001
41302301100212120030
54004340122044040
6132340142534044
711621554146121
oct1626120463014
9383068564801
10123233003020
11482988aa146
121ba72597324
13b80bc3c9ca
145d70882748
153313c2259a
hex1cb142660c

123233003020 has 48 divisors (see below), whose sum is σ = 259422299136. Its totient is φ = 49172760000.

The previous prime is 123233002969. The next prime is 123233003093. The reversal of 123233003020 is 20300332321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22277655 + ... + 22283185.

It is an arithmetic number, because the mean of its divisors is an integer number (5404631232).

Almost surely, 2123233003020 is an apocalyptic number.

123233003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123233003020 is an abundant number, since it is smaller than the sum of its proper divisors (136189296116).

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

123233003020 is a wasteful number, since it uses less digits than its factorization.

123233003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062 (or 8060 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 123233003020 its reverse (20300332321), we get a palindrome (143533335341).

The spelling of 123233003020 in words is "one hundred twenty-three billion, two hundred thirty-three million, three thousand, twenty".

Divisors: 1 2 4 5 10 20 571 1142 1951 2284 2855 3902 5531 5710 7804 9755 11062 11420 19510 22124 27655 39020 55310 110620 1114021 2228042 3158201 4456084 5570105 6316402 10790981 11140210 12632804 15791005 21581962 22280420 31582010 43163924 53954905 63164020 107909810 215819620 6161650151 12323300302 24646600604 30808250755 61616501510 123233003020