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389392539004 = 227121311464861
BaseRepresentation
bin1011010101010011001…
…10101001110101111100
31101020002102202112001001
411222221212221311330
522334433442222004
6454515013300044
740063336653520
oct5525146516574
91336072675031
10389392539004
1114015aa33a07
1263572934624
132a947b422c1
1414bbd4b3d80
15a1e05471a4
hex5aa99a9d7c

389392539004 has 24 divisors (see below), whose sum is σ = 779427178208. Its totient is φ = 166744923840.

The previous prime is 389392539001. The next prime is 389392539017. The reversal of 389392539004 is 400935293983.

It is a happy number.

It is a super-2 number, since 2×3893925390042 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389392539001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5698467 + ... + 5766394.

Almost surely, 2389392539004 is an apocalyptic number.

It is an amenable number.

389392539004 is an abundant number, since it is smaller than the sum of its proper divisors (390034639204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389392539004 is a wasteful number, since it uses less digits than its factorization.

389392539004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11466085 (or 11466083 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 389392539004 in words is "three hundred eighty-nine billion, three hundred ninety-two million, five hundred thirty-nine thousand, four".

Divisors: 1 2 4 7 14 28 1213 2426 4852 8491 16982 33964 11464861 22929722 45859444 80254027 160508054 321016108 13906876393 27813752786 55627505572 97348134751 194696269502 389392539004