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2100232112020 = 225715001657943
BaseRepresentation
bin11110100011111111100…
…101101100011110010100
321102210001210020201001021
4132203333211230132110
5233402233410041040
64244455555010524
7304510465254010
oct36437745543624
97383053221037
102100232112020
1173a7813020a9
1229b057599a44
131230881924b3
147391a691540
15399727b624a
hex1e8ff96c794

2100232112020 has 24 divisors (see below), whose sum is σ = 5040557069184. Its totient is φ = 720079581216.

The previous prime is 2100232111981. The next prime is 2100232112023. The reversal of 2100232112020 is 202112320012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100232111985 and 2100232112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100232112023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7500828832 + ... + 7500829111.

It is an arithmetic number, because the mean of its divisors is an integer number (210023211216).

Almost surely, 22100232112020 is an apocalyptic number.

2100232112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100232112020 is an abundant number, since it is smaller than the sum of its proper divisors (2940324957164).

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

2100232112020 is a wasteful number, since it uses less digits than its factorization.

2100232112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001657959 (or 15001657957 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2100232112020 its reverse (202112320012), we get a palindrome (2302344432032).

The spelling of 2100232112020 in words is "two trillion, one hundred billion, two hundred thirty-two million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 15001657943 30003315886 60006631772 75008289715 105011605601 150016579430 210023211202 300033158860 420046422404 525058028005 1050116056010 2100232112020