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427138846157 = 19113198946831
BaseRepresentation
bin1100011011100110111…
…01011000110111001101
31111211112001002121011002
412031303131120313031
523444240021034112
6524120323510045
742600620200322
oct6156335306715
91454461077132
10427138846157
1115516a81a181
126a947b28325
1331382013caa
1416960628b49
15b19e2581c2
hex6373758dcd

427138846157 has 8 divisors (see below), whose sum is σ = 453598776960. Its totient is φ = 401076809280.

The previous prime is 427138846151. The next prime is 427138846171. The reversal of 427138846157 is 751648831724.

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 427138846157 - 28 = 427138845901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427138846151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99471269 + ... + 99475562.

It is an arithmetic number, because the mean of its divisors is an integer number (56699847120).

Almost surely, 2427138846157 is an apocalyptic number.

It is an amenable number.

427138846157 is a deficient number, since it is larger than the sum of its proper divisors (26459930803).

427138846157 is a wasteful number, since it uses less digits than its factorization.

427138846157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198946963.

The product of its digits is 9031680, while the sum is 56.

The spelling of 427138846157 in words is "four hundred twenty-seven billion, one hundred thirty-eight million, eight hundred forty-six thousand, one hundred fifty-seven".

Divisors: 1 19 113 2147 198946831 3779989789 22480991903 427138846157