Search a number
-
+
210204124031 = 111911322938867
BaseRepresentation
bin1100001111000100100…
…1000110001101111111
3202002120111010220011002
43003301021012031333
511420444223432111
6240322203520515
721121024400516
oct3036111061577
9662514126132
10210204124031
1181168825660
12348a4b2913b
1316a8c3a8aa5
14a2613bb67d
15570420363b
hex30f124637f

210204124031 has 32 divisors (see below), whose sum is σ = 244588550400. Its totient is φ = 178646791680.

The previous prime is 210204124021. The next prime is 210204124049. The reversal of 210204124031 is 130421402012.

It is not a de Polignac number, because 210204124031 - 226 = 210137015167 is a prime.

It is a super-3 number, since 3×2102041240313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 210204123994 and 210204124012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210204124021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5388860 + ... + 5427726.

It is an arithmetic number, because the mean of its divisors is an integer number (7643392200).

Almost surely, 2210204124031 is an apocalyptic number.

210204124031 is a deficient number, since it is larger than the sum of its proper divisors (34384426369).

210204124031 is a wasteful number, since it uses less digits than its factorization.

210204124031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39239.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210204124031 its reverse (130421402012), we get a palindrome (340625526043).

The spelling of 210204124031 in words is "two hundred ten billion, two hundred four million, one hundred twenty-four thousand, thirty-one".

Divisors: 1 11 19 113 209 229 1243 2147 2519 4351 23617 25877 38867 47861 284647 427537 491663 738473 4391971 5408293 8123203 8900543 48311681 83447449 97905973 169110317 917921939 1005761359 1860213487 11063374949 19109465821 210204124031