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2198884212001 = 5491940038679
BaseRepresentation
bin11111111111110111101…
…101100101110100100001
321210012201000120122002001
4133333313231211310201
5242011303324241001
64402053051524001
7314602254261601
oct37776755456441
97705630518061
102198884212001
117785a58a3a44
122b61a9a59601
1312c47a665659
14785d86c2c01
153c2e84ed001
hex1fff7b65d21

2198884212001 has 4 divisors (see below), whose sum is σ = 2198924305600. Its totient is φ = 2198844118404.

The previous prime is 2198884211987. The next prime is 2198884212029. The reversal of 2198884212001 is 1002124888912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2198884212001 - 25 = 2198884211969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198884212101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19964421 + ... + 20074258.

It is an arithmetic number, because the mean of its divisors is an integer number (549731076400).

Almost surely, 22198884212001 is an apocalyptic number.

It is an amenable number.

2198884212001 is a deficient number, since it is larger than the sum of its proper divisors (40093599).

2198884212001 is an equidigital number, since it uses as much as digits as its factorization.

2198884212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40093598.

The product of its (nonzero) digits is 147456, while the sum is 46.

The spelling of 2198884212001 in words is "two trillion, one hundred ninety-eight billion, eight hundred eighty-four million, two hundred twelve thousand, one".

Divisors: 1 54919 40038679 2198884212001