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19239562220011 = 72406979647987
BaseRepresentation
bin1000101111111100011110…
…10001011001000111101011
32112010021200011121202220221
410113332033101121013223
510010210110412020021
6104530311033230511
74024004200365100
oct427761721310753
975107604552827
1019239562220011
1161484a8331841
1221a890a562437
13a9738a7ab103
144a72b22a6aa7
152356e9e03241
hex117f8f4591eb

19239562220011 has 12 divisors (see below), whose sum is σ = 22381267490568. Its totient is φ = 16490646406752.

The previous prime is 19239562219993. The next prime is 19239562220059. The reversal of 19239562220011 is 11002226593291.

It is not a de Polignac number, because 19239562220011 - 217 = 19239562088939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19239562220011.

It is not an unprimeable number, because it can be changed into a prime (19239562220111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2829841 + ... + 6818146.

It is an arithmetic number, because the mean of its divisors is an integer number (1865105624214).

Almost surely, 219239562220011 is an apocalyptic number.

19239562220011 is a deficient number, since it is larger than the sum of its proper divisors (3141705270557).

19239562220011 is an equidigital number, since it uses as much as digits as its factorization.

19239562220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9688698 (or 9688691 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 19239562220011 in words is "nineteen trillion, two hundred thirty-nine billion, five hundred sixty-two million, two hundred twenty thousand, eleven".

Divisors: 1 7 49 40697 284879 1994153 9647987 67535909 472751363 392644126939 2748508888573 19239562220011