Search a number
-
+
221120002 = 2157970019
BaseRepresentation
bin11010010111000…
…00011000000010
3120102002001121201
431023200120002
5423101320002
633535211414
75323326505
oct1513403002
9512061551
10221120002
111038a8804
1262076b6a
1336a7044c
142151d13c
151462c087
hexd2e0602

221120002 has 8 divisors (see below), whose sum is σ = 331894800. Its totient is φ = 110488404.

The previous prime is 221119991. The next prime is 221120017. The reversal of 221120002 is 200021122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31852 + ... + 38167.

It is an arithmetic number, because the mean of its divisors is an integer number (41486850).

Almost surely, 2221120002 is an apocalyptic number.

221120002 is a deficient number, since it is larger than the sum of its proper divisors (110774798).

221120002 is a wasteful number, since it uses less digits than its factorization.

221120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71600.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 221120002 is about 14870.1043036019. The cubic root of 221120002 is about 604.7037704676.

Adding to 221120002 its reverse (200021122), we get a palindrome (421141124).

The spelling of 221120002 in words is "two hundred twenty-one million, one hundred twenty thousand, two".

Divisors: 1 2 1579 3158 70019 140038 110560001 221120002