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389040154029 = 3243226683781
BaseRepresentation
bin1011010100101001001…
…10011010010110101101
31101012011212200111201200
411222110212122112231
522333223234412104
6454420024400113
740051530514212
oct5522446322655
91335155614650
10389040154029
1113aa9a02a95a
1263494916039
132a8bcb32697
1414b88785b09
15a1be63bb39
hex5a9499a5ad

389040154029 has 6 divisors (see below), whose sum is σ = 561946889166. Its totient is φ = 259360102680.

The previous prime is 389040154007. The next prime is 389040154033. The reversal of 389040154029 is 920451040983.

389040154029 is a `hidden beast` number, since 3 + 89 + 0 + 4 + 0 + 1 + 540 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 195262353225 + 193777800804 = 441885^2 + 440202^2 .

It is not a de Polignac number, because 389040154029 - 224 = 389023376813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389040154079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21613341882 + ... + 21613341899.

It is an arithmetic number, because the mean of its divisors is an integer number (93657814861).

Almost surely, 2389040154029 is an apocalyptic number.

It is an amenable number.

389040154029 is a deficient number, since it is larger than the sum of its proper divisors (172906735137).

389040154029 is a wasteful number, since it uses less digits than its factorization.

389040154029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43226683787 (or 43226683784 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 389040154029 in words is "three hundred eighty-nine billion, forty million, one hundred fifty-four thousand, twenty-nine".

Divisors: 1 3 9 43226683781 129680051343 389040154029