Search a number
-
+
38353768501 = 93234113887
BaseRepresentation
bin100011101110000100…
…000001000000110101
310122222221101022102111
4203232010001000311
51112022031043001
625341450211021
72525304440026
oct435604010065
9118887338374
1038353768501
11152a177aa44
127524723a71
133802cb0799
141bdbac0c4d
15ee7204851
hex8ee101035

38353768501 has 4 divisors (see below), whose sum is σ = 38357891712. Its totient is φ = 38349645292.

The previous prime is 38353768499. The next prime is 38353768513. The reversal of 38353768501 is 10586735383.

It is a happy number.

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 38353768501 - 21 = 38353768499 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38353798501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2047621 + ... + 2066266.

It is an arithmetic number, because the mean of its divisors is an integer number (9589472928).

Almost surely, 238353768501 is an apocalyptic number.

It is an amenable number.

38353768501 is a deficient number, since it is larger than the sum of its proper divisors (4123211).

38353768501 is an equidigital number, since it uses as much as digits as its factorization.

38353768501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123210.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 38353768501 in words is "thirty-eight billion, three hundred fifty-three million, seven hundred sixty-eight thousand, five hundred one".

Divisors: 1 9323 4113887 38353768501