Search a number
-
+
103130023 = 1095711657
BaseRepresentation
bin1100010010110…
…10001110100111
321012001112210111
412021122032213
5202400130043
614122233451
72361406423
oct611321647
9235045714
10103130023
115323a127
122a655887
131849b3a9
14d9a7b83
1590c209d
hex625a3a7

103130023 has 8 divisors (see below), whose sum is σ = 104321360. Its totient is φ = 101943360.

The previous prime is 103130021. The next prime is 103130029. The reversal of 103130023 is 320031301.

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 103130023 - 21 = 103130021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103129985 and 103130012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103130021) 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, 61411 + ... + 63067.

It is an arithmetic number, because the mean of its divisors is an integer number (13040170).

Almost surely, 2103130023 is an apocalyptic number.

103130023 is a deficient number, since it is larger than the sum of its proper divisors (1191337).

103130023 is a wasteful number, since it uses less digits than its factorization.

103130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 103130023 is about 10155.2953182071. The cubic root of 103130023 is about 468.9519774799.

Adding to 103130023 its reverse (320031301), we get a palindrome (423161324).

The spelling of 103130023 in words is "one hundred three million, one hundred thirty thousand, twenty-three".

Divisors: 1 109 571 1657 62239 180613 946147 103130023