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42160105421 = 750311973901
BaseRepresentation
bin100111010000111100…
…000010011111001101
311000211012200021001222
4213100330002133031
51142320441333141
631211301213125
73021523661150
oct472074023715
9130735607058
1042160105421
111697530a235
1282074011a5
133c8b756355
14207d421c97
15116b47314b
hex9d0f027cd

42160105421 has 8 divisors (see below), whose sum is σ = 48278772864. Its totient is φ = 36065386800.

The previous prime is 42160105397. The next prime is 42160105469. The reversal of 42160105421 is 12450106124.

42160105421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42160105421 - 230 = 41086363597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42160105321) 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, 5983430 + ... + 5990471.

It is an arithmetic number, because the mean of its divisors is an integer number (6034846608).

Almost surely, 242160105421 is an apocalyptic number.

It is an amenable number.

42160105421 is a deficient number, since it is larger than the sum of its proper divisors (6118667443).

42160105421 is a wasteful number, since it uses less digits than its factorization.

42160105421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11974411.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 42160105421 in words is "forty-two billion, one hundred sixty million, one hundred five thousand, four hundred twenty-one".

Divisors: 1 7 503 3521 11973901 83817307 6022872203 42160105421