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103123003001 = 821125606581
BaseRepresentation
bin110000000001010011…
…1000010011001111001
3100212011211010022222112
41200002213002121321
53142143442044001
6115212443502105
710310325030344
oct1400247023171
9325154108875
10103123003001
113a809279517
1217b9b827935
13995582ca05
144dc3b2545b
152a384c8cbb
hex18029c2679

103123003001 has 4 divisors (see below), whose sum is σ = 103248610404. Its totient is φ = 102997395600.

The previous prime is 103123002991. The next prime is 103123003043. The reversal of 103123003001 is 100300321301.

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 38054645776 + 65068357225 = 195076^2 + 255085^2 .

It is a cyclic number.

It is not a de Polignac number, because 103123003001 - 210 = 103123001977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103123003601) 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, 62802470 + ... + 62804111.

It is an arithmetic number, because the mean of its divisors is an integer number (25812152601).

Almost surely, 2103123003001 is an apocalyptic number.

It is an amenable number.

103123003001 is a deficient number, since it is larger than the sum of its proper divisors (125607403).

103123003001 is an equidigital number, since it uses as much as digits as its factorization.

103123003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125607402.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 103123003001 its reverse (100300321301), we get a palindrome (203423324302).

The spelling of 103123003001 in words is "one hundred three billion, one hundred twenty-three million, three thousand, one".

Divisors: 1 821 125606581 103123003001