Search a number
-
+
3123205230 = 235104106841
BaseRepresentation
bin1011101000101000…
…0101010001101110
322001122212021010210
42322022011101232
522344020031410
61233525043250
7140252543415
oct27212052156
98048767123
103123205230
111362a71352
12731b56526
133aa091342
14218b1847c
151342ce220
hexba28546e

3123205230 has 16 divisors (see below), whose sum is σ = 7495692624. Its totient is φ = 832854720.

The previous prime is 3123205229. The next prime is 3123205291. The reversal of 3123205230 is 325023213.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3123205197 and 3123205206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52053391 + ... + 52053450.

It is an arithmetic number, because the mean of its divisors is an integer number (468480789).

Almost surely, 23123205230 is an apocalyptic number.

3123205230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3123205230 is an abundant number, since it is smaller than the sum of its proper divisors (4372487394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123205230 is a wasteful number, since it uses less digits than its factorization.

3123205230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104106851.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 3123205230 is about 55885.6442210341. The cubic root of 3123205230 is about 1461.7289254097.

Adding to 3123205230 its reverse (325023213), we get a palindrome (3448228443).

The spelling of 3123205230 in words is "three billion, one hundred twenty-three million, two hundred five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 104106841 208213682 312320523 520534205 624641046 1041068410 1561602615 3123205230