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42159281629 = 711019582721
BaseRepresentation
bin100111010000111000…
…111001010111011101
311000211011010102001011
4213100320321113131
51142320234003004
631211231415221
73021513660343
oct472070712735
9130734112034
1042159281629
11169748a7313
128207084511
133c8b5283ba
14207d289993
15116b35e004
hex9d0e395dd

42159281629 has 8 divisors (see below), whose sum is σ = 42795103680. Its totient is φ = 41524627200.

The previous prime is 42159281611. The next prime is 42159281641. The reversal of 42159281629 is 92618295124.

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 42159281629 - 219 = 42158757341 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 (42159281669) 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, 219012 + ... + 363709.

It is an arithmetic number, because the mean of its divisors is an integer number (5349387960).

Almost surely, 242159281629 is an apocalyptic number.

It is an amenable number.

42159281629 is a deficient number, since it is larger than the sum of its proper divisors (635822051).

42159281629 is a wasteful number, since it uses less digits than its factorization.

42159281629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583811.

The product of its digits is 622080, while the sum is 49.

The spelling of 42159281629 in words is "forty-two billion, one hundred fifty-nine million, two hundred eighty-one thousand, six hundred twenty-nine".

Divisors: 1 71 1019 72349 582721 41373191 593792699 42159281629