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13000000233331 = 30742345277633
BaseRepresentation
bin1011110100101100110001…
…1001010101111101110011
31201000210021100221101100101
42331023030121111331303
53200443000024431311
643352041225333231
72511135060522556
oct275131431257563
951023240841311
1013000000233331
1141622a624a031
12155b5a1937217
13733b82a3a697
1432d2bc08669d
1517825e6d0ec1
hexbd2cc655f73

13000000233331 has 4 divisors (see below), whose sum is σ = 13042345511272. Its totient is φ = 12957654955392.

The previous prime is 13000000233317. The next prime is 13000000233379. The reversal of 13000000233331 is 13333200000031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13000000233331 - 25 = 13000000233299 is a prime.

It is a super-2 number, since 2×130000002333312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13000000233299 and 13000000233308.

It is not an unprimeable number, because it can be changed into a prime (13000000243331) 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, 21172638510 + ... + 21172639123.

It is an arithmetic number, because the mean of its divisors is an integer number (3260586377818).

Almost surely, 213000000233331 is an apocalyptic number.

13000000233331 is a deficient number, since it is larger than the sum of its proper divisors (42345277941).

13000000233331 is an equidigital number, since it uses as much as digits as its factorization.

13000000233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42345277940.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 13000000233331 its reverse (13333200000031), we get a palindrome (26333200233362).

The spelling of 13000000233331 in words is "thirteen trillion, two hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 307 42345277633 13000000233331