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20125355554235 = 522392117975407
BaseRepresentation
bin1001001001101110011001…
…01010110011010110111011
32122020222001122001110102202
410210313030222303112323
510114213212010213420
6110445243302420415
74145003033451011
oct444671452632673
978228048043382
1020125355554235
11645a12a5a8338
122310518a3170b
13b2ca74ba8cb9
144d810297a8b1
1524d7900c7575
hex124dccab35bb

20125355554235 has 8 divisors (see below), whose sum is σ = 24150535861056. Its totient is φ = 16100211646080.

The previous prime is 20125355554159. The next prime is 20125355554253. The reversal of 20125355554235 is 53245555352102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20125355554235 - 226 = 20125288445371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20125355554235.

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, 7868099 + ... + 10107308.

It is an arithmetic number, because the mean of its divisors is an integer number (3018816982632).

Almost surely, 220125355554235 is an apocalyptic number.

20125355554235 is a deficient number, since it is larger than the sum of its proper divisors (4025180306821).

20125355554235 is a wasteful number, since it uses less digits than its factorization.

20125355554235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18199333.

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 20125355554235 in words is "twenty trillion, one hundred twenty-five billion, three hundred fifty-five million, five hundred fifty-four thousand, two hundred thirty-five".

Divisors: 1 5 223921 1119605 17975407 89877035 4025071110847 20125355554235