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2112154016232 = 23313172633374493
BaseRepresentation
bin11110101111000110001…
…100001001100111101000
321110220211122102012010010
4132233012030021213220
5234101142412004412
64254150554451520
7305412100625151
oct36570614114750
97426748365103
102112154016232
117448399731a7
122a1424133ba0
131242380b25a0
147432bb80928
1539e1e25c33c
hex1ebc63099e8

2112154016232 has 256 divisors, whose sum is σ = 6063250152960. Its totient is φ = 607395446784.

The previous prime is 2112154016183. The next prime is 2112154016239. The reversal of 2112154016232 is 2326104512112.

It is a super-2 number, since 2×21121540162322 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112154016232.

It is not an unprimeable number, because it can be changed into a prime (2112154016239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 470096578 + ... + 470101070.

It is an arithmetic number, because the mean of its divisors is an integer number (23684570910).

Almost surely, 22112154016232 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 2112154016232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3031625076480).

2112154016232 is an abundant number, since it is smaller than the sum of its proper divisors (3951096136728).

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

2112154016232 is a wasteful number, since it uses less digits than its factorization.

2112154016232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132 (or 5128 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 2112154016232 its reverse (2326104512112), we get a palindrome (4438258528344).

The spelling of 2112154016232 in words is "two trillion, one hundred twelve billion, one hundred fifty-four million, sixteen thousand, two hundred thirty-two".