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389034225861 = 3671935493661
BaseRepresentation
bin1011010100101000011…
…11110011000011000101
31101012011110112022210220
411222110033303003011
522333220230211421
6454415253334553
740051426234011
oct5522417630305
91335143468726
10389034225861
1113aa96750a46
1263492937459
132a8bb8382a8
1414b87a81541
15a1bdd6a3c6
hex5a943f30c5

389034225861 has 8 divisors (see below), whose sum is σ = 526454276064. Its totient is φ = 255485163120.

The previous prime is 389034225823. The next prime is 389034225917. The reversal of 389034225861 is 168522430983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 389034225861 - 234 = 371854356677 is a prime.

It is a super-2 number, since 2×3890342258612 (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 (389034225161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967746630 + ... + 967747031.

It is an arithmetic number, because the mean of its divisors is an integer number (65806784508).

Almost surely, 2389034225861 is an apocalyptic number.

It is an amenable number.

389034225861 is a deficient number, since it is larger than the sum of its proper divisors (137420050203).

389034225861 is a wasteful number, since it uses less digits than its factorization.

389034225861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935493731.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 389034225861 in words is "three hundred eighty-nine billion, thirty-four million, two hundred twenty-five thousand, eight hundred sixty-one".

Divisors: 1 3 67 201 1935493661 5806480983 129678075287 389034225861