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43243540141 = 263808120347
BaseRepresentation
bin101000010001100001…
…000000111010101101
311010121201100110002211
4220101201000322231
51202030321241031
631511003050421
73060421012024
oct502141007255
9133551313084
1043243540141
111738093a82a
12846a210a11
134102057099
14214328b8bb
1511d1635bb1
hexa11840ead

43243540141 has 8 divisors (see below), whose sum is σ = 43415469504. Its totient is φ = 43071668160.

The previous prime is 43243540139. The next prime is 43243540147. The reversal of 43243540141 is 14104534234.

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 43243540141 - 21 = 43243540139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243540147) 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, 2115130 + ... + 2135476.

It is an arithmetic number, because the mean of its divisors is an integer number (5426933688).

Almost surely, 243243540141 is an apocalyptic number.

It is an amenable number.

43243540141 is a deficient number, since it is larger than the sum of its proper divisors (171929363).

43243540141 is a wasteful number, since it uses less digits than its factorization.

43243540141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28691.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 43243540141 in words is "forty-three billion, two hundred forty-three million, five hundred forty thousand, one hundred forty-one".

Divisors: 1 263 8081 20347 2125303 5351261 164424107 43243540141