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23030152153 = 97237424249
BaseRepresentation
bin10101011100101101…
…000011101111011001
32012110000021221120021
4111130231003233121
5334131204332103
614325132030441
71443465030511
oct253455035731
965400257507
1023030152153
119848a141a8
124568902421
1322303b8488
1411868da841
158ebcb8bbd
hex55cb43bd9

23030152153 has 4 divisors (see below), whose sum is σ = 23267576500. Its totient is φ = 22792727808.

The previous prime is 23030152147. The next prime is 23030152163. The reversal of 23030152153 is 35125103032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18855958489 + 4174193664 = 137317^2 + 64608^2 .

It is a cyclic number.

It is not a de Polignac number, because 23030152153 - 25 = 23030152121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23030152163) 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, 118712028 + ... + 118712221.

It is an arithmetic number, because the mean of its divisors is an integer number (5816894125).

Almost surely, 223030152153 is an apocalyptic number.

It is an amenable number.

23030152153 is a deficient number, since it is larger than the sum of its proper divisors (237424347).

23030152153 is an equidigital number, since it uses as much as digits as its factorization.

23030152153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237424346.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 23030152153 its reverse (35125103032), we get a palindrome (58155255185).

The spelling of 23030152153 in words is "twenty-three billion, thirty million, one hundred fifty-two thousand, one hundred fifty-three".

Divisors: 1 97 237424249 23030152153