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13300000231 = 712491521217
BaseRepresentation
bin11000110001011110…
…11110010111100111
31021022220022000102011
430120233132113213
5204214300001411
610035425055051
7650405064610
oct143057362747
937286260364
1013300000231
11570555a031
1226b2187487
13133c59c92b
1490253cc07
1552c960c21
hex318bde5e7

13300000231 has 8 divisors (see below), whose sum is σ = 15212180000. Its totient is φ = 11390865408.

The previous prime is 13300000229. The next prime is 13300000267. The reversal of 13300000231 is 13200000331.

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

It is a cyclic number.

It is not a de Polignac number, because 13300000231 - 21 = 13300000229 is a prime.

It is a super-2 number, since 2×133000002312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

13300000231 is a modest number, since divided by 231 gives 133 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13300000531) 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, 751866 + ... + 769351.

It is an arithmetic number, because the mean of its divisors is an integer number (1901522500).

Almost surely, 213300000231 is an apocalyptic number.

13300000231 is a deficient number, since it is larger than the sum of its proper divisors (1912179769).

13300000231 is a wasteful number, since it uses less digits than its factorization.

13300000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522473.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 13300000231 its reverse (13200000331), we get a palindrome (26500000562).

The spelling of 13300000231 in words is "thirteen billion, three hundred million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 7 1249 8743 1521217 10648519 1900000033 13300000231