Search a number
-
+
23001000001 = 731191053497
BaseRepresentation
bin10101011010111101…
…110110100001000001
32012100222102212022221
4111122331312201001
5334101224000001
614322211131041
71442662163020
oct253275664101
965328385287
1023001000001
119833512811
12455aba3a81
13222734c395
141182aac8b7
158e945b1a1
hex55af76841

23001000001 has 8 divisors (see below), whose sum is σ = 26295310080. Its totient is φ = 19708803168.

The previous prime is 23000999951. The next prime is 23001000023. The reversal of 23001000001 is 10000010032.

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 23001000001 - 27 = 23000999873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23001003001) 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, 504916 + ... + 548581.

It is an arithmetic number, because the mean of its divisors is an integer number (3286913760).

Almost surely, 223001000001 is an apocalyptic number.

It is an amenable number.

23001000001 is a deficient number, since it is larger than the sum of its proper divisors (3294310079).

23001000001 is a wasteful number, since it uses less digits than its factorization.

23001000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056623.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 23001000001 its reverse (10000010032), we get a palindrome (33001010033).

The spelling of 23001000001 in words is "twenty-three billion, one million, one", and thus it is an aban number and an uban number.

Divisors: 1 7 3119 21833 1053497 7374479 3285857143 23001000001