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38747932870497 = 371184718144317
BaseRepresentation
bin10001100111101101101001…
…10001100100011101100001
312002012021012001201200010020
420303312310301210131201
520034321231303323442
6214224315444224053
711106305620043214
oct1063666461443541
9162167161650106
1038747932870497
11113899a6a48a44
12441973839b029
131880bb6bc08b6
1497d5a4ccd77b
15472dc8e689ec
hex233db4c64761

38747932870497 has 8 divisors (see below), whose sum is σ = 51663985918656. Its totient is φ = 25831917534672.

The previous prime is 38747932870489. The next prime is 38747932870519. The reversal of 38747932870497 is 79407823974783.

38747932870497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 38747932870497 - 23 = 38747932870489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38747932870597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6936618 + ... + 11207699.

It is an arithmetic number, because the mean of its divisors is an integer number (6457998239832).

Almost surely, 238747932870497 is an apocalyptic number.

It is an amenable number.

38747932870497 is a deficient number, since it is larger than the sum of its proper divisors (12916053048159).

38747932870497 is a wasteful number, since it uses less digits than its factorization.

38747932870497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18856167.

The product of its (nonzero) digits is 3584673792, while the sum is 78.

The spelling of 38747932870497 in words is "thirty-eight trillion, seven hundred forty-seven billion, nine hundred thirty-two million, eight hundred seventy thousand, four hundred ninety-seven".

Divisors: 1 3 711847 2135541 18144317 54432951 12915977623499 38747932870497