Search a number
-
+
10423105001 = 19935229857
BaseRepresentation
bin10011011010100001…
…11111010111101001
3222220101220121001222
421231100333113221
5132321303330001
64442135151425
7516202634141
oct115520772751
928811817058
1010423105001
114469631071
12202a815575
13ca155b56a
1470c41d921
154100d761b
hex26d43f5e9

10423105001 has 4 divisors (see below), whose sum is σ = 10428336852. Its totient is φ = 10417873152.

The previous prime is 10423104973. The next prime is 10423105009. The reversal of 10423105001 is 10050132401.

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 9238093225 + 1185011776 = 96115^2 + 34424^2 .

It is a cyclic number.

It is not a de Polignac number, because 10423105001 - 214 = 10423088617 is a prime.

It is a super-3 number, since 3×104231050013 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10423105009) 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, 2612936 + ... + 2616921.

It is an arithmetic number, because the mean of its divisors is an integer number (2607084213).

Almost surely, 210423105001 is an apocalyptic number.

It is an amenable number.

10423105001 is a deficient number, since it is larger than the sum of its proper divisors (5231851).

10423105001 is an equidigital number, since it uses as much as digits as its factorization.

10423105001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231850.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 10423105001 its reverse (10050132401), we get a palindrome (20473237402).

The spelling of 10423105001 in words is "ten billion, four hundred twenty-three million, one hundred five thousand, one".

Divisors: 1 1993 5229857 10423105001