Search a number
-
+
402130323401 = 609166020411
BaseRepresentation
bin1011101101000001101…
…01011100011111001001
31102102222011011000022112
411312200311130133021
523042030330322101
6504423000232105
741024110231262
oct5664065343711
91372864130275
10402130323401
111455a70a1954
1265b2876b635
132bbc7ab5431
141566b0a3969
15a6d89506bb
hex5da0d5c7c9

402130323401 has 4 divisors (see below), whose sum is σ = 402196349904. Its totient is φ = 402064296900.

The previous prime is 402130323367. The next prime is 402130323407. The reversal of 402130323401 is 104323031204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402130323401 - 26 = 402130323337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402130323407) 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, 33004115 + ... + 33016296.

It is an arithmetic number, because the mean of its divisors is an integer number (100549087476).

Almost surely, 2402130323401 is an apocalyptic number.

It is an amenable number.

402130323401 is a deficient number, since it is larger than the sum of its proper divisors (66026503).

402130323401 is an equidigital number, since it uses as much as digits as its factorization.

402130323401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66026502.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 402130323401 its reverse (104323031204), we get a palindrome (506453354605).

The spelling of 402130323401 in words is "four hundred two billion, one hundred thirty million, three hundred twenty-three thousand, four hundred one".

Divisors: 1 6091 66020411 402130323401