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23145233105355 = 3517798313842553
BaseRepresentation
bin1010100001100111010110…
…11001011100000111001011
310000221122220002102221211220
411100303223121130013023
511013202414133332410
6121120435011053123
74606121311221144
oct520635331340713
9100848802387756
1023145233105355
117413924769409
12271984b8a11a3
13cbb78091006a
145a03417a2acb
152a20d994b070
hex150ceb65c1cb

23145233105355 has 64 divisors (see below), whose sum is σ = 40185487964160. Its totient is φ = 11332731211776.

The previous prime is 23145233105317. The next prime is 23145233105429. The reversal of 23145233105355 is 55350133254132.

It is not a de Polignac number, because 23145233105355 - 228 = 23144964669899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5249242 + ... + 8593311.

It is an arithmetic number, because the mean of its divisors is an integer number (627898249440).

Almost surely, 223145233105355 is an apocalyptic number.

23145233105355 is a deficient number, since it is larger than the sum of its proper divisors (17040254858805).

23145233105355 is a wasteful number, since it uses less digits than its factorization.

23145233105355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13842740.

The product of its (nonzero) digits is 810000, while the sum is 42.

Adding to 23145233105355 its reverse (55350133254132), we get a palindrome (78495366359487).

The spelling of 23145233105355 in words is "twenty-three trillion, one hundred forty-five billion, two hundred thirty-three million, one hundred five thousand, three hundred fifty-five".

Divisors: 1 3 5 15 17 51 79 83 85 237 249 255 395 415 1185 1245 1343 1411 4029 4233 6557 6715 7055 19671 20145 21165 32785 98355 111469 334407 557345 1672035 13842553 41527659 69212765 207638295 235323401 705970203 1093561687 1148931899 1176617005 3280685061 3446795697 3529851015 5467808435 5744659495 16403425305 17233978485 18590548679 19531842283 55771646037 58595526849 90765620021 92952743395 97659211415 272296860063 278858230185 292977634245 453828100105 1361484300315 1543015540357 4629046621071 7715077701785 23145233105355