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19054482140737 = 1553120971014257
BaseRepresentation
bin1000101010100011101111…
…01000111010111001000001
32111110120221121210121000001
410111101313220322321001
54444142034412000422
6104305301441000001
74004432554564201
oct425216750727101
974416847717001
1019054482140737
116086a6246793a
122178a77623001
13a82aa354a7c4
1449c355922401
152309b6726227
hex115477a3ae41

19054482140737 has 8 divisors (see below), whose sum is σ = 19068346563336. Its totient is φ = 19040619773952.

The previous prime is 19054482140719. The next prime is 19054482140887. The reversal of 19054482140737 is 73704128445091.

It is a happy number.

It is a Cunningham number, because it is equal to 43651442+1.

It can be written as a sum of positive squares in 4 ways, for example, as 528680226816 + 18525801913921 = 727104^2 + 4304161^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19054482140737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19054482146737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18279513 + ... + 19293769.

It is an arithmetic number, because the mean of its divisors is an integer number (2383543320417).

Almost surely, 219054482140737 is an apocalyptic number.

It is an amenable number.

19054482140737 is a deficient number, since it is larger than the sum of its proper divisors (13864422599).

19054482140737 is a wasteful number, since it uses less digits than its factorization.

19054482140737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027907.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 19054482140737 in words is "nineteen trillion, fifty-four billion, four hundred eighty-two million, one hundred forty thousand, seven hundred thirty-seven".

Divisors: 1 1553 12097 1014257 18786641 1575141121 12269466929 19054482140737