Search a number
-
+
153315021023 = 559127421753
BaseRepresentation
bin1000111011001001001…
…0011001000011011111
3112122201210021000210222
42032302102121003133
510002442121133043
6154233144551555
714035201114403
oct2166222310337
9478653230728
10153315021023
115a02537254a
1225868a825bb
13115c42c0868
1475c5b5b103
153ec4b4cd68
hex23b24990df

153315021023 has 4 divisors (see below), whose sum is σ = 153342448368. Its totient is φ = 153287593680.

The previous prime is 153315020993. The next prime is 153315021043. The reversal of 153315021023 is 320120513351.

153315021023 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 an emirpimes, since its reverse is a distinct semiprime: 320120513351 = 565956568389.

It is a cyclic number.

It is not a de Polignac number, because 153315021023 - 212 = 153315016927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153315020983 and 153315021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153315021043) 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 3 ways as a sum of consecutive naturals, for example, 13705286 + ... + 13716467.

It is an arithmetic number, because the mean of its divisors is an integer number (38335612092).

Almost surely, 2153315021023 is an apocalyptic number.

153315021023 is a deficient number, since it is larger than the sum of its proper divisors (27427345).

153315021023 is an equidigital number, since it uses as much as digits as its factorization.

153315021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27427344.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 153315021023 its reverse (320120513351), we get a palindrome (473435534374).

The spelling of 153315021023 in words is "one hundred fifty-three billion, three hundred fifteen million, twenty-one thousand, twenty-three".

Divisors: 1 5591 27421753 153315021023