Search a number
-
+
302012103123231 = 33115473209877979
BaseRepresentation
bin100010010101011011010110…
…0000111111110000100011111
31110121100002000201221210122120
41010222312230013332010133
5304041131241344420411
62550154240025114023
7120420440313022524
oct10452665407760437
91417302021853576
10302012103123231
1188259682856996
1229a57b76328913
13cc69808298c67
14548166c8a914b
1524db06417c106
hex112adac1fe11f

302012103123231 has 16 divisors (see below), whose sum is σ = 415699438402560. Its totient is φ = 194833924536960.

The previous prime is 302012103123193. The next prime is 302012103123307. The reversal of 302012103123231 is 132321301210203.

It is not a de Polignac number, because 302012103123231 - 231 = 302009955639583 is a prime.

It is a super-2 number, since 2×3020121031232312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302012103121231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103500001 + ... + 106377978.

It is an arithmetic number, because the mean of its divisors is an integer number (25981214900160).

Almost surely, 2302012103123231 is an apocalyptic number.

302012103123231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

302012103123231 is a deficient number, since it is larger than the sum of its proper divisors (113687335279329).

302012103123231 is a wasteful number, since it uses less digits than its factorization.

302012103123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209893486.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 302012103123231 its reverse (132321301210203), we get a palindrome (434333404333434).

The spelling of 302012103123231 in words is "three hundred two trillion, twelve billion, one hundred three million, one hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 3 31 93 15473 46419 479663 1438989 209877979 629633937 6506217349 19518652047 3247441969067 9742325907201 100670701041077 302012103123231