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23120221323020 = 22516722133127981
BaseRepresentation
bin1010100000111000110001…
…00101000011111100001100
310000212021022222100202201012
411100130120211003330030
511012300203124314040
6121101141045504352
74604244431455013
oct520343045037414
9100767288322635
1023120221323020
11740425a215118
122714a2b4120b8
13cb92c5b0c963
1459d04ba2da7a
152a1623bec865
hex150718943f0c

23120221323020 has 48 divisors (see below), whose sum is σ = 48865284756288. Its totient is φ = 9188553857280.

The previous prime is 23120221323019. The next prime is 23120221323041. The reversal of 23120221323020 is 2032312202132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5827430 + ... + 8955410.

It is an arithmetic number, because the mean of its divisors is an integer number (1018026765756).

Almost surely, 223120221323020 is an apocalyptic number.

23120221323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120221323020 is an abundant number, since it is smaller than the sum of its proper divisors (25745063433268).

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

23120221323020 is a wasteful number, since it uses less digits than its factorization.

23120221323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130370 (or 3130368 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23120221323020 its reverse (2032312202132), we get a palindrome (25152533525152).

The spelling of 23120221323020 in words is "twenty-three trillion, one hundred twenty billion, two hundred twenty-one million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 2213 3340 4426 8852 11065 22130 44260 369571 739142 1478284 1847855 3127981 3695710 6255962 7391420 12511924 15639905 31279810 62559620 522372827 1044745654 2089491308 2611864135 5223728270 6922221953 10447456540 13844443906 27688887812 34611109765 69222219530 138444439060 1156011066151 2312022132302 4624044264604 5780055330755 11560110661510 23120221323020