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38291250420789 = 312763750140263
BaseRepresentation
bin10001011010011011000000…
…11000010001110000110101
312000120121102002010111211020
420231031200120101300311
520004330440101431124
6213234431350331353
711031310611213612
oct1055154030216065
9160517362114736
1038291250420789
1111223256680193
124365126359b59
131849b07240ab2
14965440b01509
1546609b1da379
hex22d360611c35

38291250420789 has 4 divisors (see below), whose sum is σ = 51055000561056. Its totient is φ = 25527500280524.

The previous prime is 38291250420757. The next prime is 38291250420817. The reversal of 38291250420789 is 98702405219283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38291250420789 - 25 = 38291250420757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38291250420719) 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 3 ways as a sum of consecutive naturals, for example, 6381875070129 + ... + 6381875070134.

It is an arithmetic number, because the mean of its divisors is an integer number (12763750140264).

Almost surely, 238291250420789 is an apocalyptic number.

It is an amenable number.

38291250420789 is a deficient number, since it is larger than the sum of its proper divisors (12763750140267).

38291250420789 is a wasteful number, since it uses less digits than its factorization.

38291250420789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12763750140266.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 38291250420789 in words is "thirty-eight trillion, two hundred ninety-one billion, two hundred fifty million, four hundred twenty thousand, seven hundred eighty-nine".

Divisors: 1 3 12763750140263 38291250420789