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42389198325 = 3252487386851
BaseRepresentation
bin100111011110100101…
…111101010111110101
311001102011202101110100
4213132211331113311
51143303113321300
631250123344313
73030305145405
oct473645752765
9131364671410
1042389198325
1116a82663111
128270082099
133cc7058796
1420a1a18805
151181627700
hex9de97d5f5

42389198325 has 36 divisors (see below), whose sum is σ = 76079861728. Its totient is φ = 22561092000.

The previous prime is 42389198323. The next prime is 42389198363. The reversal of 42389198325 is 52389198324.

42389198325 is a `hidden beast` number, since 42 + 389 + 198 + 32 + 5 = 666.

It is not a de Polignac number, because 42389198325 - 21 = 42389198323 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 (42389198321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 83851 + ... + 303000.

Almost surely, 242389198325 is an apocalyptic number.

42389198325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42389198325 is a deficient number, since it is larger than the sum of its proper divisors (33690663403).

42389198325 is a wasteful number, since it uses less digits than its factorization.

42389198325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387354 (or 387346 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

Subtracting 42389198325 from its reverse (52389198324), we obtain a palindrome (9999999999).

The spelling of 42389198325 in words is "forty-two billion, three hundred eighty-nine million, one hundred ninety-eight thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 487 1461 2435 4383 7305 12175 21915 36525 109575 386851 1160553 1934255 3481659 5802765 9671275 17408295 29013825 87041475 188396437 565189311 941982185 1695567933 2825946555 4709910925 8477839665 14129732775 42389198325