Search a number
-
+
38355052187 = 349727151169
BaseRepresentation
bin100011101110001000…
…111010011010011011
310200000000210112022102
4203232020322122123
51112022343132222
625341533514015
72525321364404
oct435610723233
9120000715272
1038355052187
11152a2477441
12752504290b
13380333cb6a
141bdbd369ab
15ee73a9d92
hex8ee23a69b

38355052187 has 8 divisors (see below), whose sum is σ = 38518116000. Its totient is φ = 38192292864.

The previous prime is 38355052181. The next prime is 38355052201. The reversal of 38355052187 is 78125055383.

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

It is a cyclic number.

It is not a de Polignac number, because 38355052187 - 24 = 38355052171 is a prime.

It is a super-2 number, since 2×383550521872 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38355052181) 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 7 ways as a sum of consecutive naturals, for example, 178139 + ... + 329307.

It is an arithmetic number, because the mean of its divisors is an integer number (4814764500).

Almost surely, 238355052187 is an apocalyptic number.

38355052187 is a deficient number, since it is larger than the sum of its proper divisors (163063813).

38355052187 is a wasteful number, since it uses less digits than its factorization.

38355052187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152245.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 38355052187 in words is "thirty-eight billion, three hundred fifty-five million, fifty-two thousand, one hundred eighty-seven".

Divisors: 1 349 727 151169 253723 52757981 109899863 38355052187