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1358109927 = 321931993929
BaseRepresentation
bin101000011110011…
…0001110011100111
310111122112010120200
41100330301303213
510240134004202
6342433001543
745440513106
oct12074616347
93448463520
101358109927
116376880a9
1231a9b32b3
131884a2855
14cc52a03d
157e36ce1c
hex50f31ce7

1358109927 has 24 divisors (see below), whose sum is σ = 1982292000. Its totient is φ = 895961088.

The previous prime is 1358109913. The next prime is 1358109959. The reversal of 1358109927 is 7299018531.

It is a de Polignac number, because none of the positive numbers 2k-1358109927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358105927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343699 + ... + 347627.

It is an arithmetic number, because the mean of its divisors is an integer number (82595500).

Almost surely, 21358109927 is an apocalyptic number.

1358109927 is a deficient number, since it is larger than the sum of its proper divisors (624182073).

1358109927 is a wasteful number, since it uses less digits than its factorization.

1358109927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 1358109927 is about 36852.5430194444. The cubic root of 1358109927 is about 1107.4181605335.

The spelling of 1358109927 in words is "one billion, three hundred fifty-eight million, one hundred nine thousand, nine hundred twenty-seven".

Divisors: 1 3 9 193 199 579 597 1737 1791 3929 11787 35361 38407 115221 345663 758297 781871 2274891 2345613 6824673 7036839 150901103 452703309 1358109927