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242394567471 = 3377317568643
BaseRepresentation
bin1110000110111111010…
…1111001001100101111
3212011122220010212001000
43201233311321030233
512432411002124341
6303204324451343
723340522554040
oct3415765711457
9764586125030
10242394567471
1193887461221
123ab89549b53
1319b1c507764
14ba366d68c7
15648a2ac8b6
hex386fd7932f

242394567471 has 32 divisors (see below), whose sum is σ = 416025489920. Its totient is φ = 136613760192.

The previous prime is 242394567431. The next prime is 242394567487. The reversal of 242394567471 is 174765493242.

242394567471 is a `hidden beast` number, since 2 + 4 + 2 + 3 + 9 + 4 + 567 + 4 + 71 = 666.

It is not a de Polignac number, because 242394567471 - 27 = 242394567343 is a prime.

It is a super-3 number, since 3×2423945674713 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242394567421) 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, 8770525 + ... + 8798118.

It is an arithmetic number, because the mean of its divisors is an integer number (13000796560).

Almost surely, 2242394567471 is an apocalyptic number.

242394567471 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242394567471 is a deficient number, since it is larger than the sum of its proper divisors (173630922449).

242394567471 is a wasteful number, since it uses less digits than its factorization.

242394567471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17568732 (or 17568726 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 242394567471 in words is "two hundred forty-two billion, three hundred ninety-four million, five hundred sixty-seven thousand, four hundred seventy-one".

Divisors: 1 3 7 9 21 27 63 73 189 219 511 657 1533 1971 4599 13797 17568643 52705929 122980501 158117787 368941503 474353361 1106824509 1282510939 3320473527 3847532817 8977576573 11542598451 26932729719 34627795353 80798189157 242394567471