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23133312302 = 279239961031
BaseRepresentation
bin10101100010110110…
…100101010100101110
32012201012102000200112
4111202312211110232
5334334111443202
614343255100022
71446156624122
oct254266452456
965635360615
1023133312302
1198a1173a21
124597371612
132248897499
1411964b1582
15905d94b52
hex562da552e

23133312302 has 16 divisors (see below), whose sum is σ = 35154432000. Its totient is φ = 11415295320.

The previous prime is 23133312287. The next prime is 23133312317. The reversal of 23133312302 is 20321333132.

It is an interprime number because it is at equal distance from previous prime (23133312287) and next prime (23133312317).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348527 + ... + 409557.

It is an arithmetic number, because the mean of its divisors is an integer number (2197152000).

Almost surely, 223133312302 is an apocalyptic number.

23133312302 is a deficient number, since it is larger than the sum of its proper divisors (12021119698).

23133312302 is a wasteful number, since it uses less digits than its factorization.

23133312302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63511.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23133312302 its reverse (20321333132), we get a palindrome (43454645434).

The spelling of 23133312302 in words is "twenty-three billion, one hundred thirty-three million, three hundred twelve thousand, three hundred two".

Divisors: 1 2 79 158 2399 4798 61031 122062 189521 379042 4821449 9642898 146413369 292826738 11566656151 23133312302