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43023220401 = 372048724781
BaseRepresentation
bin101000000100011000…
…100011111010110001
311010001100210001020110
4220010120203322301
51201102421023101
631433052531533
73052104224310
oct500430437261
9133040701213
1043023220401
11172785392a7
128408480ba9
134098506c85
142121cda277
1511bc115cd6
hexa04623eb1

43023220401 has 8 divisors (see below), whose sum is σ = 65559193024. Its totient is φ = 24584697360.

The previous prime is 43023220393. The next prime is 43023220403. The reversal of 43023220401 is 10402232034.

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

It is not a de Polignac number, because 43023220401 - 23 = 43023220393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2048724781 = 43023220401 / (4 + 3 + 0 + 2 + 3 + 2 + 2 + 0 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43023220403) 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, 1024362370 + ... + 1024362411.

It is an arithmetic number, because the mean of its divisors is an integer number (8194899128).

Almost surely, 243023220401 is an apocalyptic number.

It is an amenable number.

43023220401 is a deficient number, since it is larger than the sum of its proper divisors (22535972623).

43023220401 is a wasteful number, since it uses less digits than its factorization.

43023220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048724791.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 43023220401 its reverse (10402232034), we get a palindrome (53425452435).

The spelling of 43023220401 in words is "forty-three billion, twenty-three million, two hundred twenty thousand, four hundred one".

Divisors: 1 3 7 21 2048724781 6146174343 14341073467 43023220401