Search a number
-
+
221002200111000 = 23353711956719481
BaseRepresentation
bin110010010000000000010101…
…101000011101011110011000
31001222111121022022102012121210
4302100000111220131132120
5212431400001212023000
62102011001550103120
764356611353616310
oct6220002550353630
91058447268365553
10221002200111000
11644665634a1230
12209538597aaaa0
1396415585ab479
143c807c6594440
151a83b938cb350
hexc90015a1d798

221002200111000 has 256 divisors, whose sum is σ = 859669857745920. Its totient is φ = 45922535040000.

The previous prime is 221002200110983. The next prime is 221002200111073. The reversal of 221002200111000 is 111002200122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 478128741 + ... + 478590740.

It is an arithmetic number, because the mean of its divisors is an integer number (3358085381820).

Almost surely, 2221002200111000 is an apocalyptic number.

221002200111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002200111000 is an abundant number, since it is smaller than the sum of its proper divisors (638667657634920).

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

221002200111000 is a wasteful number, since it uses less digits than its factorization.

221002200111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956719523 (or 956719509 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221002200111000 its reverse (111002200122), we get a palindrome (221113202311122).

The spelling of 221002200111000 in words is "two hundred twenty-one trillion, two billion, two hundred million, one hundred eleven thousand".