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103450694489 = 173597980893
BaseRepresentation
bin110000001011000100…
…1000101001101011001
3100220000122201210012022
41200112021011031121
53143331334210424
6115305151224225
710321414252202
oct1402611051531
9326018653168
10103450694489
113a967246a2a
1218071518075
1399a86a4abc
1450154665a9
152a5715795e
hex1816245359

103450694489 has 4 divisors (see below), whose sum is σ = 104048675556. Its totient is φ = 102852713424.

The previous prime is 103450694443. The next prime is 103450694491. The reversal of 103450694489 is 984496054301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984496054301 = 3792597614919.

It can be written as a sum of positive squares in 2 ways, for example, as 100827206089 + 2623488400 = 317533^2 + 51220^2 .

It is a cyclic number.

It is not a de Polignac number, because 103450694489 - 232 = 99155727193 is a prime.

It is a super-2 number, since 2×1034506944892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103450694489.

It is not an unprimeable number, because it can be changed into a prime (103450694689) 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, 298990274 + ... + 298990619.

It is an arithmetic number, because the mean of its divisors is an integer number (26012168889).

Almost surely, 2103450694489 is an apocalyptic number.

It is an amenable number.

103450694489 is a deficient number, since it is larger than the sum of its proper divisors (597981067).

103450694489 is an equidigital number, since it uses as much as digits as its factorization.

103450694489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597981066.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 103450694489 in words is "one hundred three billion, four hundred fifty million, six hundred ninety-four thousand, four hundred eighty-nine".

Divisors: 1 173 597980893 103450694489