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10123320301 = 71511415651
BaseRepresentation
bin10010110110110010…
…11001101111101101
3222010111210221202221
421123121121233231
5131213032222201
64352305515341
7505602542233
oct113331315755
928114727687
1010123320301
114325394416
121b66342b51
13c54407773
146c06a4953
153e3b1c4a1
hex25b659bed

10123320301 has 4 divisors (see below), whose sum is σ = 10124743104. Its totient is φ = 10121897500.

The previous prime is 10123320281. The next prime is 10123320379. The reversal of 10123320301 is 10302332101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10302332101 = 73141127837.

It is a cyclic number.

It is not a de Polignac number, because 10123320301 - 25 = 10123320269 is a prime.

It is a super-2 number, since 2×101233203012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123360301) 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, 700675 + ... + 714976.

It is an arithmetic number, because the mean of its divisors is an integer number (2531185776).

Almost surely, 210123320301 is an apocalyptic number.

It is an amenable number.

10123320301 is a deficient number, since it is larger than the sum of its proper divisors (1422803).

10123320301 is an equidigital number, since it uses as much as digits as its factorization.

10123320301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422802.

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

Adding to 10123320301 its reverse (10302332101), we get a palindrome (20425652402).

The spelling of 10123320301 in words is "ten billion, one hundred twenty-three million, three hundred twenty thousand, three hundred one".

Divisors: 1 7151 1415651 10123320301