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23302013033 = 1317409257797
BaseRepresentation
bin10101101100111010…
…001000000001101001
32020010221211220120202
4111230322020001221
5340210303404113
614412123001545
71453305562025
oct255472100151
966127756522
1023302013033
119978419312
1246239692b5
1322748132c0
1411b0a67385
15915aba258
hex56ce88069

23302013033 has 16 divisors (see below), whose sum is σ = 26635689360. Its totient is φ = 20194707456.

The previous prime is 23302012991. The next prime is 23302013051. The reversal of 23302013033 is 33031020332.

It can be written as a sum of positive squares in 8 ways, for example, as 140825689 + 23161187344 = 11867^2 + 152188^2 .

It is not a de Polignac number, because 23302013033 - 218 = 23301750889 is a prime.

It is a super-2 number, since 2×233020130332 (a number of 22 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 = 23302012996 and 23302013014.

It is not an unprimeable number, because it can be changed into a prime (23302013093) 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, 38510 + ... + 219287.

It is an arithmetic number, because the mean of its divisors is an integer number (1664730585).

Almost surely, 223302013033 is an apocalyptic number.

It is an amenable number.

23302013033 is a deficient number, since it is larger than the sum of its proper divisors (3333676327).

23302013033 is a wasteful number, since it uses less digits than its factorization.

23302013033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258236.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 23302013033 its reverse (33031020332), we get a palindrome (56333033365).

The spelling of 23302013033 in words is "twenty-three billion, three hundred two million, thirteen thousand, thirty-three".

Divisors: 1 13 17 221 409 5317 6953 90389 257797 3351361 4382549 56973137 105438973 1370706649 1792462541 23302013033