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38998081033 = 49978152467
BaseRepresentation
bin100100010100011101…
…110111111000001001
310201122211202210001121
4210110131313320021
51114332002043113
625525424115241
72550260135152
oct442435677011
9121584683047
1038998081033
11155a244453a
127684465b21
1338a6622ac2
141c5d4c0929
151033a76e8d
hex914777e09

38998081033 has 4 divisors (see below), whose sum is σ = 39076234000. Its totient is φ = 38919928068.

The previous prime is 38998081021. The next prime is 38998081063. The reversal of 38998081033 is 33018089983.

38998081033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38998081033 - 29 = 38998080521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38998081063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39075735 + ... + 39076732.

It is an arithmetic number, because the mean of its divisors is an integer number (9769058500).

Almost surely, 238998081033 is an apocalyptic number.

It is an amenable number.

38998081033 is a deficient number, since it is larger than the sum of its proper divisors (78152967).

38998081033 is an equidigital number, since it uses as much as digits as its factorization.

38998081033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78152966.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 38998081033 in words is "thirty-eight billion, nine hundred ninety-eight million, eighty-one thousand, thirty-three".

Divisors: 1 499 78152467 38998081033