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38867200639 is a prime number
BaseRepresentation
bin100100001100101010…
…100110101001111111
310201022201111100220121
4210030222212221333
51114100000410024
625504430555411
72544110516521
oct441452465177
9121281440817
1038867200639
1115535581123
127648668b67
133885489697
141c49d71a11
1510273228e4
hex90caa6a7f

38867200639 has 2 divisors, whose sum is σ = 38867200640. Its totient is φ = 38867200638.

The previous prime is 38867200637. The next prime is 38867200649. The reversal of 38867200639 is 93600276883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38867200639 - 21 = 38867200637 is a prime.

Together with 38867200637, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38867200633) 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 as a sum of consecutive naturals, namely, 19433600319 + 19433600320.

It is an arithmetic number, because the mean of its divisors is an integer number (19433600320).

Almost surely, 238867200639 is an apocalyptic number.

38867200639 is a deficient number, since it is larger than the sum of its proper divisors (1).

38867200639 is an equidigital number, since it uses as much as digits as its factorization.

38867200639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 38867200639 in words is "thirty-eight billion, eight hundred sixty-seven million, two hundred thousand, six hundred thirty-nine".