Search a number
-
+
23001312301 = 112091028391
BaseRepresentation
bin10101011010111111…
…000010110000101101
32012101000000201201121
4111122333002300231
5334101313443201
614322221540541
71442664633352
oct253277026055
965330021647
1023001312301
119833706410
12455b114751
13222742b586
141182b50629
158e94bd9a1
hex55afc2c2d

23001312301 has 4 divisors (see below), whose sum is σ = 25092340704. Its totient is φ = 20910283900.

The previous prime is 23001312289. The next prime is 23001312319. The reversal of 23001312301 is 10321310032.

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 de Polignac number, because none of the positive numbers 2k-23001312301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001312361) 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, 1045514185 + ... + 1045514206.

It is an arithmetic number, because the mean of its divisors is an integer number (6273085176).

Almost surely, 223001312301 is an apocalyptic number.

It is an amenable number.

23001312301 is a deficient number, since it is larger than the sum of its proper divisors (2091028403).

23001312301 is a wasteful number, since it uses less digits than its factorization.

23001312301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091028402.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23001312301 its reverse (10321310032), we get a palindrome (33322622333).

The spelling of 23001312301 in words is "twenty-three billion, one million, three hundred twelve thousand, three hundred one".

Divisors: 1 11 2091028391 23001312301