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23303313313 = 78340108973
BaseRepresentation
bin10101101100111111…
…000101011110100001
32020011001021222020021
4111230333011132201
5340211122011223
614412210513441
71453322615650
oct255477053641
966131258207
1023303313313
119979127225
124624295881
132274b7a0b7
1411b0cc5197
15915c7565d
hex56cfc57a1

23303313313 has 8 divisors (see below), whose sum is σ = 26953230528. Its totient is φ = 19733614224.

The previous prime is 23303313311. The next prime is 23303313331. The reversal of 23303313313 is 31331330332.

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 23303313313 - 21 = 23303313311 is a prime.

It is a super-2 number, since 2×233033133132 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23303313311) 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, 20053906 + ... + 20055067.

It is an arithmetic number, because the mean of its divisors is an integer number (3369153816).

Almost surely, 223303313313 is an apocalyptic number.

It is an amenable number.

23303313313 is a deficient number, since it is larger than the sum of its proper divisors (3649917215).

23303313313 is an equidigital number, since it uses as much as digits as its factorization.

23303313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40109063.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 23303313313 its reverse (31331330332), we get a palindrome (54634643645).

The spelling of 23303313313 in words is "twenty-three billion, three hundred three million, three hundred thirteen thousand, three hundred thirteen".

Divisors: 1 7 83 581 40108973 280762811 3329044759 23303313313