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389142422002 = 21711445365353
BaseRepresentation
bin1011010100110101011…
…00100010000111110010
31101012110000010021000101
411222122230202013302
522333430430001002
6454434120343014
740054212003445
oct5523254420762
91335400107011
10389142422002
11140041830344
1263503014a6a
132a90808b589
1414b981a765c
15a1c85dd587
hex5a9ab221f2

389142422002 has 8 divisors (see below), whose sum is σ = 618049729116. Its totient is φ = 183125845632.

The previous prime is 389142421999. The next prime is 389142422023. The reversal of 389142422002 is 200224241983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 376923551481 + 12218870521 = 613941^2 + 110539^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5722682643 + ... + 5722682710.

Almost surely, 2389142422002 is an apocalyptic number.

389142422002 is a deficient number, since it is larger than the sum of its proper divisors (228907307114).

389142422002 is a wasteful number, since it uses less digits than its factorization.

389142422002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445365372.

The product of its (nonzero) digits is 55296, while the sum is 37.

Adding to 389142422002 its reverse (200224241983), we get a palindrome (589366663985).

The spelling of 389142422002 in words is "three hundred eighty-nine billion, one hundred forty-two million, four hundred twenty-two thousand, two".

Divisors: 1 2 17 34 11445365353 22890730706 194571211001 389142422002