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103742454817 = 106197777997
BaseRepresentation
bin110000010011110001…
…0000011110000100001
3100220202222201202010101
41200213202003300201
53144431032023232
6115354132502401
710331556213331
oct1404742036041
9326688652111
10103742454817
113aaa6a02871
121813317aa01
139a23c79351
1450420d30c1
152a72a8a1e7
hex1827883c21

103742454817 has 4 divisors (see below), whose sum is σ = 103840233876. Its totient is φ = 103644675760.

The previous prime is 103742454757. The next prime is 103742454853. The reversal of 103742454817 is 718454247301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83225903121 + 20516551696 = 288489^2 + 143236^2 .

It is a cyclic number.

It is not a de Polignac number, because 103742454817 - 223 = 103734066209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103742454317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48887938 + ... + 48890059.

It is an arithmetic number, because the mean of its divisors is an integer number (25960058469).

Almost surely, 2103742454817 is an apocalyptic number.

It is an amenable number.

103742454817 is a deficient number, since it is larger than the sum of its proper divisors (97779059).

103742454817 is an equidigital number, since it uses as much as digits as its factorization.

103742454817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97779058.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 103742454817 in words is "one hundred three billion, seven hundred forty-two million, four hundred fifty-four thousand, eight hundred seventeen".

Divisors: 1 1061 97777997 103742454817