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42898159549 = 7192917596323
BaseRepresentation
bin100111111100111011…
…011111011110111101
311002201122110022000001
4213330323133132331
51200323412101144
631412424234301
73046025224360
oct477473373675
9132648408001
1042898159549
1117213990223
12839260b991
13407862a67b
14210d4640d7
1511b1160bd4
hex9fcedf7bd

42898159549 has 32 divisors (see below), whose sum is σ = 53425152000. Its totient is φ = 33608965824.

The previous prime is 42898159523. The next prime is 42898159571. The reversal of 42898159549 is 94595189824.

It is not a de Polignac number, because 42898159549 - 25 = 42898159517 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42898159589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6781302 + ... + 6787624.

It is an arithmetic number, because the mean of its divisors is an integer number (1669536000).

Almost surely, 242898159549 is an apocalyptic number.

It is an amenable number.

42898159549 is a deficient number, since it is larger than the sum of its proper divisors (10526992451).

42898159549 is a wasteful number, since it uses less digits than its factorization.

42898159549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137.

The product of its digits is 37324800, while the sum is 64.

The spelling of 42898159549 in words is "forty-two billion, eight hundred ninety-eight million, one hundred fifty-nine thousand, five hundred forty-nine".

Divisors: 1 7 19 29 133 203 551 1759 3857 6323 12313 33421 44261 51011 120137 183367 233947 357077 840959 969209 1283569 3483973 6784463 11122157 24387811 77855099 211320983 322542553 1479246881 2257797871 6128308507 42898159549