Search a number
-
+
138310053 = 376586193
BaseRepresentation
bin10000011111001…
…11000110100101
3100122020212201120
420033213012211
5240401410203
621420244153
73266421210
oct1017470645
9318225646
10138310053
1171088432
123a3a0659
132286808b
1414524777
15c220b53
hex83e71a5

138310053 has 8 divisors (see below), whose sum is σ = 210758208. Its totient is φ = 79034304.

The previous prime is 138310037. The next prime is 138310057. The reversal of 138310053 is 350013831.

138310053 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 138310053 - 24 = 138310037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138310057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293076 + ... + 3293117.

It is an arithmetic number, because the mean of its divisors is an integer number (26344776).

Almost surely, 2138310053 is an apocalyptic number.

It is an amenable number.

138310053 is a deficient number, since it is larger than the sum of its proper divisors (72448155).

138310053 is an equidigital number, since it uses as much as digits as its factorization.

138310053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6586203.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 138310053 is about 11760.5294523674. The cubic root of 138310053 is about 517.1516514913.

Adding to 138310053 its reverse (350013831), we get a palindrome (488323884).

The spelling of 138310053 in words is "one hundred thirty-eight million, three hundred ten thousand, fifty-three".

Divisors: 1 3 7 21 6586193 19758579 46103351 138310053