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43201220401 = 1731407117747
BaseRepresentation
bin101000001110111111…
…100100111100110001
311010111202201101100001
4220032333210330301
51201434003023101
631502452030001
73056365212613
oct501677447461
9133452641301
1043201220401
1117359a65339
128458002301
1340c635a711
14213b7d2db3
1511cca76901
hexa0efe4f31

43201220401 has 8 divisors (see below), whose sum is σ = 43456474944. Its totient is φ = 42946029840.

The previous prime is 43201220393. The next prime is 43201220407. The reversal of 43201220401 is 10402210234.

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

It is a cyclic number.

It is not a de Polignac number, because 43201220401 - 23 = 43201220393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43201220407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2425410 + ... + 2443156.

It is an arithmetic number, because the mean of its divisors is an integer number (5432059368).

Almost surely, 243201220401 is an apocalyptic number.

It is an amenable number.

43201220401 is a deficient number, since it is larger than the sum of its proper divisors (255254543).

43201220401 is a wasteful number, since it uses less digits than its factorization.

43201220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31991.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 43201220401 its reverse (10402210234), we get a palindrome (53603430635).

The spelling of 43201220401 in words is "forty-three billion, two hundred one million, two hundred twenty thousand, four hundred one".

Divisors: 1 173 14071 17747 2434283 3070231 249718037 43201220401