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23201400212 = 2210754208879
BaseRepresentation
bin10101100110111010…
…010100010110010100
32012212221112020201222
4111212322110112110
5340004024301322
614354130305512
71450644435134
oct254672242624
965787466658
1023201400212
119926649421
1245b6128298
132259a168a3
1411a1556ac4
1590bd43e42
hex566e94594

23201400212 has 12 divisors (see below), whose sum is σ = 40981913280. Its totient is φ = 11492282136.

The previous prime is 23201400197. The next prime is 23201400217. The reversal of 23201400212 is 21200410232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201400217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27104012 + ... + 27104867.

It is an arithmetic number, because the mean of its divisors is an integer number (3415159440).

Almost surely, 223201400212 is an apocalyptic number.

It is an amenable number.

23201400212 is a deficient number, since it is larger than the sum of its proper divisors (17780513068).

23201400212 is a wasteful number, since it uses less digits than its factorization.

23201400212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54208990 (or 54208988 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23201400212 its reverse (21200410232), we get a palindrome (44401810444).

The spelling of 23201400212 in words is "twenty-three billion, two hundred one million, four hundred thousand, two hundred twelve".

Divisors: 1 2 4 107 214 428 54208879 108417758 216835516 5800350053 11600700106 23201400212