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18472477202353 = 232243590360659
BaseRepresentation
bin1000011001100111101010…
…11100010001011110110001
32102101221200200211101100101
410030303311130101132301
54410123113130433403
6103142045555152401
73614410130332516
oct414636534213661
972357620741311
1018472477202353
115982151893499
1220a410b2a5701
13a3cc40ab1b65
1447c10358130d
152207a15d871d
hex10ccf57117b1

18472477202353 has 16 divisors (see below), whose sum is σ = 19287806883840. Its totient is φ = 17658165423184.

The previous prime is 18472477202287. The next prime is 18472477202359. The reversal of 18472477202353 is 35320277427481.

It is a cyclic number.

It is not a de Polignac number, because 18472477202353 - 229 = 18471940331441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18472477202294 and 18472477202303.

It is not an unprimeable number, because it can be changed into a prime (18472477202359) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 304499538 + ... + 304560196.

It is an arithmetic number, because the mean of its divisors is an integer number (1205487930240).

Almost surely, 218472477202353 is an apocalyptic number.

It is an amenable number.

18472477202353 is a deficient number, since it is larger than the sum of its proper divisors (815329681487).

18472477202353 is a wasteful number, since it uses less digits than its factorization.

18472477202353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68828.

The product of its (nonzero) digits is 15805440, while the sum is 55.

The spelling of 18472477202353 in words is "eighteen trillion, four hundred seventy-two billion, four hundred seventy-seven million, two hundred two thousand, three hundred fifty-three".

Divisors: 1 23 2243 5903 51589 60659 135769 1395157 13240429 136058137 304529867 358070077 3129337151 8235611771 803151182711 18472477202353