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389545254417 = 31114997874851
BaseRepresentation
bin1011010101100101011…
…01001101111000010001
31101020111002010021012110
411222302231031320101
522340242041120132
6454542110415533
740100203013124
oct5526255157021
91336432107173
10389545254417
111402291602a0
12635b5b015a9
132a970682157
1414bd58a83bb
15a1edb611cc
hex5ab2b4de11

389545254417 has 16 divisors (see below), whose sum is σ = 566989344000. Its totient is φ = 235930506000.

The previous prime is 389545254389. The next prime is 389545254457. The reversal of 389545254417 is 714452545983.

It is a happy number.

It is not a de Polignac number, because 389545254417 - 210 = 389545253393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389545254457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3887959 + ... + 3986892.

It is an arithmetic number, because the mean of its divisors is an integer number (35436834000).

Almost surely, 2389545254417 is an apocalyptic number.

It is an amenable number.

389545254417 is a deficient number, since it is larger than the sum of its proper divisors (177444089583).

389545254417 is a wasteful number, since it uses less digits than its factorization.

389545254417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876364.

The product of its digits is 24192000, while the sum is 57.

The spelling of 389545254417 in words is "three hundred eighty-nine billion, five hundred forty-five million, two hundred fifty-four thousand, four hundred seventeen".

Divisors: 1 3 11 33 1499 4497 16489 49467 7874851 23624553 86623361 259870083 11804401649 35413204947 129848418139 389545254417