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389001000002 = 2194500500001
BaseRepresentation
bin1011010100100100100…
…01000011010001000010
31101012002011000021111112
411222102101003101002
522333133224000002
6454412105243322
740050543641426
oct5522221032102
91335064007445
10389001000002
1113aa79a1795a
1263483793542
132a8b49a3c14
1414b834b2b86
15a1baea5852
hex5a92443442

389001000002 has 4 divisors (see below), whose sum is σ = 583501500006. Its totient is φ = 194500500000.

The previous prime is 389000999999. The next prime is 389001000007. The reversal of 389001000002 is 200000100983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 291439102201 + 97561897801 = 539851^2 + 312349^2 .

It is not an unprimeable number, because it can be changed into a prime (389001000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97250249999 + ... + 97250250002.

Almost surely, 2389001000002 is an apocalyptic number.

389001000002 is a deficient number, since it is larger than the sum of its proper divisors (194500500004).

389001000002 is a wasteful number, since it uses less digits than its factorization.

389001000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194500500003.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 389001000002 its reverse (200000100983), we get a palindrome (589001100985).

The spelling of 389001000002 in words is "three hundred eighty-nine billion, one million, two", and thus it is an aban number.

Divisors: 1 2 194500500001 389001000002