Search a number
-
+
10301323121 = 42124468701
BaseRepresentation
bin10011001100000000…
…11011011101110001
3222120220202102201222
421212000123131301
5132044114314441
64422105034425
7513163542005
oct114600333561
928526672658
1010301323121
114406912591
121bb5a85a15
13c8225c58b
146da19c705
1540457dd4b
hex26601b771

10301323121 has 4 divisors (see below), whose sum is σ = 10325792244. Its totient is φ = 10276854000.

The previous prime is 10301323117. The next prime is 10301323147. The reversal of 10301323121 is 12132310301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12132310301 = 21283570047.

It can be written as a sum of positive squares in 2 ways, for example, as 4113298225 + 6188024896 = 64135^2 + 78664^2 .

It is a cyclic number.

It is not a de Polignac number, because 10301323121 - 22 = 10301323117 is a prime.

It is a super-2 number, since 2×103013231212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10301323121.

It is not an unprimeable number, because it can be changed into a prime (10301323321) 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, 12233930 + ... + 12234771.

It is an arithmetic number, because the mean of its divisors is an integer number (2581448061).

Almost surely, 210301323121 is an apocalyptic number.

It is an amenable number.

10301323121 is a deficient number, since it is larger than the sum of its proper divisors (24469123).

10301323121 is an equidigital number, since it uses as much as digits as its factorization.

10301323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24469122.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10301323121 its reverse (12132310301), we get a palindrome (22433633422).

The spelling of 10301323121 in words is "ten billion, three hundred one million, three hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 421 24468701 10301323121