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19418419418253 = 3127723772132419
BaseRepresentation
bin1000110101001001100111…
…11111011101010010001101
32112202101100000222211212120
410122210303333131102031
510021122410332341003
6105144410531523153
74042635351444462
oct432446377352215
975671300884776
1019418419418253
11620733a585059
1222175054594b9
13aab1c2736aab
144b1bdc3c1669
1523a1b711d853
hex11a933fdd48d

19418419418253 has 16 divisors (see below), whose sum is σ = 25922414013120. Its totient is φ = 12930027428736.

The previous prime is 19418419418231. The next prime is 19418419418257. The reversal of 19418419418253 is 35281491481491.

It is not a de Polignac number, because 19418419418253 - 214 = 19418419401869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19418419418257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8040078 + ... + 10172496.

It is an arithmetic number, because the mean of its divisors is an integer number (1620150875820).

Almost surely, 219418419418253 is an apocalyptic number.

It is an amenable number.

19418419418253 is a deficient number, since it is larger than the sum of its proper divisors (6503994594867).

19418419418253 is a wasteful number, since it uses less digits than its factorization.

19418419418253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136076.

The product of its digits is 9953280, while the sum is 60.

The spelling of 19418419418253 in words is "nineteen trillion, four hundred eighteen billion, four hundred nineteen million, four hundred eighteen thousand, two hundred fifty-three".

Divisors: 1 3 1277 2377 3831 7131 2132419 3035429 6397257 9106287 2723099063 5068759963 8169297189 15206279889 6472806472751 19418419418253