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2112111232032 = 2531491204112263
BaseRepresentation
bin11110101111000011101…
…000111100010000100000
321110220201122220112020010
4132233003220330100200
5234101100433411112
64254142425444520
7305411041152654
oct36570350742040
97426648815203
102112111232032
1174481780085a
122a1411940740
1312422c2826a9
1474326204a64
1539e1a60a63c
hex1ebc3a3c420

2112111232032 has 96 divisors (see below), whose sum is σ = 5582420726400. Its totient is φ = 699196897280.

The previous prime is 2112111232027. The next prime is 2112111232039. The reversal of 2112111232032 is 2302321112112.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×21121112320322 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112111232039) by changing a digit.

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, 172228333 + ... + 172240595.

It is an arithmetic number, because the mean of its divisors is an integer number (58150215900).

Almost surely, 22112111232032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112111232032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2791210363200).

2112111232032 is an abundant number, since it is smaller than the sum of its proper divisors (3470309494368).

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

2112111232032 is a wasteful number, since it uses less digits than its factorization.

2112111232032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24466 (or 24458 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2112111232032 its reverse (2302321112112), we get a palindrome (4414432344144).

The spelling of 2112111232032 in words is "two trillion, one hundred twelve billion, one hundred eleven million, two hundred thirty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 149 298 447 596 894 1192 1788 2384 3576 4768 7152 12041 12263 14304 24082 24526 36123 36789 48164 49052 72246 73578 96328 98104 144492 147156 192656 196208 288984 294312 385312 392416 577968 588624 1155936 1177248 1794109 1827187 3588218 3654374 5382327 5481561 7176436 7308748 10764654 10963122 14352872 14617496 21529308 21926244 28705744 29234992 43058616 43852488 57411488 58469984 86117232 87704976 147658783 172234464 175409952 295317566 442976349 590635132 885952698 1181270264 1771905396 2362540528 3543810792 4725081056 7087621584 14175243168 22001158667 44002317334 66003476001 88004634668 132006952002 176009269336 264013904004 352018538672 528027808008 704037077344 1056055616016 2112111232032