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11681786147154 = 2314513913414481
BaseRepresentation
bin1010100111111110000010…
…1101101011000101010010
31112100202201202120111001220
42221333200231223011102
53012343244223202104
640502312150505510
72313660356623134
oct251774055530522
945322652514056
1011681786147154
1137a4243811362
121388012665296
13669784265c76
142c55898a3054
15153d0b7147d9
hexa9fe0b6b152

11681786147154 has 16 divisors (see below), whose sum is σ = 23363735009760. Its totient is φ = 3893901596480.

The previous prime is 11681786147147. The next prime is 11681786147173. The reversal of 11681786147154 is 45174168718611.

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 7 ways as a sum of consecutive naturals, for example, 5836407 + ... + 7578074.

It is an arithmetic number, because the mean of its divisors is an integer number (1460233438110).

Almost surely, 211681786147154 is an apocalyptic number.

11681786147154 is an abundant number, since it is smaller than the sum of its proper divisors (11681948862606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11681786147154 is a wasteful number, since it uses less digits than its factorization.

11681786147154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13559625.

The product of its digits is 9031680, while the sum is 60.

The spelling of 11681786147154 in words is "eleven trillion, six hundred eighty-one billion, seven hundred eighty-six million, one hundred forty-seven thousand, one hundred fifty-four".

Divisors: 1 2 3 6 145139 290278 435417 870834 13414481 26828962 40243443 80486886 1946964357859 3893928715718 5840893073577 11681786147154