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21233016713 = 312292990987
BaseRepresentation
bin10011110001100101…
…100001111110001001
32000210202200000012102
4103301211201332021
5321441123013323
613430533123145
71351113443546
oct236145417611
960722600172
1021233016713
1190065367a7
124146a894b5
132004c8c21c
141055d6bbcd
15844129328
hex4f1961f89

21233016713 has 8 divisors (see below), whose sum is σ = 22013671680. Its totient is φ = 20458344240.

The previous prime is 21233016689. The next prime is 21233016719. The reversal of 21233016713 is 31761033212.

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 21233016713 - 214 = 21233000329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21233016719) 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, 1488395 + ... + 1502592.

It is an arithmetic number, because the mean of its divisors is an integer number (2751708960).

Almost surely, 221233016713 is an apocalyptic number.

It is an amenable number.

21233016713 is a deficient number, since it is larger than the sum of its proper divisors (780654967).

21233016713 is a wasteful number, since it uses less digits than its factorization.

21233016713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991247.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 21233016713 its reverse (31761033212), we get a palindrome (52994049925).

The spelling of 21233016713 in words is "twenty-one billion, two hundred thirty-three million, sixteen thousand, seven hundred thirteen".

Divisors: 1 31 229 7099 2990987 92720597 684936023 21233016713