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23061230205 = 3513490924091
BaseRepresentation
bin10101011110100011…
…100111001001111101
32012112011202212122020
4111132203213021331
5334212133331310
614332202110353
71444323136206
oct253643471175
965464685566
1023061230205
119864510642
1245771ab3b9
13223697a060
14118aaaa5ad
158ee8a7170
hex55e8e727d

23061230205 has 32 divisors (see below), whose sum is σ = 39746017920. Its totient is φ = 11350437120.

The previous prime is 23061230149. The next prime is 23061230219. The reversal of 23061230205 is 50203216032.

It is not a de Polignac number, because 23061230205 - 216 = 23061164669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 945210 + ... + 969300.

It is an arithmetic number, because the mean of its divisors is an integer number (1242063060).

Almost surely, 223061230205 is an apocalyptic number.

It is an amenable number.

23061230205 is a deficient number, since it is larger than the sum of its proper divisors (16684787715).

23061230205 is a wasteful number, since it uses less digits than its factorization.

23061230205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29021.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 23061230205 its reverse (50203216032), we get a palindrome (73264446237).

The spelling of 23061230205 in words is "twenty-three billion, sixty-one million, two hundred thirty thousand, two hundred five".

Divisors: 1 3 5 13 15 39 65 195 4909 14727 24091 24545 63817 72273 73635 120455 191451 313183 319085 361365 939549 957255 1565915 4697745 118262719 354788157 591313595 1537415347 1773940785 4612246041 7687076735 23061230205