Search a number
-
+
215233604061 = 3710249219241
BaseRepresentation
bin1100100001110011101…
…1000010100111011101
3202120112222222221201020
43020130323002213131
512011244300312221
6242513231034353
721356455306560
oct3103473024735
9676488887636
10215233604061
1183309838423
123586936b9b9
13173b1389a88
14a5bb3544d7
1558eaa2eac6
hex321cec29dd

215233604061 has 8 divisors (see below), whose sum is σ = 327975015744. Its totient is φ = 122990630880.

The previous prime is 215233603951. The next prime is 215233604077. The reversal of 215233604061 is 160406332512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 215233604061 - 210 = 215233603037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215233604461) 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, 5124609600 + ... + 5124609641.

It is an arithmetic number, because the mean of its divisors is an integer number (40996876968).

Almost surely, 2215233604061 is an apocalyptic number.

215233604061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

215233604061 is a deficient number, since it is larger than the sum of its proper divisors (112741411683).

215233604061 is a wasteful number, since it uses less digits than its factorization.

215233604061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10249219251.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 215233604061 its reverse (160406332512), we get a palindrome (375639936573).

The spelling of 215233604061 in words is "two hundred fifteen billion, two hundred thirty-three million, six hundred four thousand, sixty-one".

Divisors: 1 3 7 21 10249219241 30747657723 71744534687 215233604061