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2312021232120 = 233522784875963
BaseRepresentation
bin100001101001001111001…
…101000100100111111000
322012000201201211202001110
4201221033031010213320
5300340004413411440
64530043342520320
7326016020134365
oct41511715044770
98160651752043
102312021232120
11811582790766
123141032960a0
1313a03aa4c982
147dc8c37946c
154021ac03080
hex21a4f3449f8

2312021232120 has 64 divisors (see below), whose sum is σ = 6966619125120. Its totient is φ = 613822957184.

The previous prime is 2312021232107. The next prime is 2312021232127. The reversal of 2312021232120 is 212321202132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312021232127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42410742 + ... + 42465221.

It is an arithmetic number, because the mean of its divisors is an integer number (108853423830).

Almost surely, 22312021232120 is an apocalyptic number.

2312021232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312021232120 is an abundant number, since it is smaller than the sum of its proper divisors (4654597893000).

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

2312021232120 is a wasteful number, since it uses less digits than its factorization.

2312021232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84876204 (or 84876200 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2312021232120 its reverse (212321202132), we get a palindrome (2524342434252).

The spelling of 2312021232120 in words is "two trillion, three hundred twelve billion, twenty-one million, two hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 227 454 681 908 1135 1362 1816 2270 2724 3405 4540 5448 6810 9080 13620 27240 84875963 169751926 254627889 339503852 424379815 509255778 679007704 848759630 1018511556 1273139445 1697519260 2037023112 2546278890 3395038520 5092557780 10185115560 19266843601 38533687202 57800530803 77067374404 96334218005 115601061606 154134748808 192668436010 231202123212 289002654015 385336872020 462404246424 578005308030 770673744040 1156010616060 2312021232120