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212450214401 = 1018792085319
BaseRepresentation
bin1100010111011100000…
…1010000001000000001
3202022101000120002220022
43011313001100020001
511440044223330101
6241333121223225
721230500012115
oct3056701201001
9668330502808
10212450214401
1182110675597
1235211191b15
1317059827149
14a3d5815745
1557d64c6a1b
hex3177050201

212450214401 has 4 divisors (see below), whose sum is σ = 212452401600. Its totient is φ = 212448027204.

The previous prime is 212450214377. The next prime is 212450214437. The reversal of 212450214401 is 104412054212.

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 212450214401 - 222 = 212446020097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212450211401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940781 + ... + 1144538.

It is an arithmetic number, because the mean of its divisors is an integer number (53113100400).

Almost surely, 2212450214401 is an apocalyptic number.

It is an amenable number.

212450214401 is a deficient number, since it is larger than the sum of its proper divisors (2187199).

212450214401 is a wasteful number, since it uses less digits than its factorization.

212450214401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187198.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 212450214401 its reverse (104412054212), we get a palindrome (316862268613).

The spelling of 212450214401 in words is "two hundred twelve billion, four hundred fifty million, two hundred fourteen thousand, four hundred one".

Divisors: 1 101879 2085319 212450214401