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103422021515 = 520684404303
BaseRepresentation
bin110000001010001101…
…1101100111110001011
3100212221122210001021022
41200110123230332023
53143302014142030
6115302244503055
710320615451421
oct1402433547613
9325848701238
10103422021515
113a95204255a
12180639aaa8b
1399a2775b47
145011721111
152a54891de5
hex18146ecf8b

103422021515 has 4 divisors (see below), whose sum is σ = 124106425824. Its totient is φ = 82737617208.

The previous prime is 103422021499. The next prime is 103422021517. The reversal of 103422021515 is 515120224301.

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

It is a cyclic number.

It is not a de Polignac number, because 103422021515 - 24 = 103422021499 is a prime.

It is a super-2 number, since 2×1034220215152 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103422021517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10342202147 + ... + 10342202156.

It is an arithmetic number, because the mean of its divisors is an integer number (31026606456).

Almost surely, 2103422021515 is an apocalyptic number.

103422021515 is a deficient number, since it is larger than the sum of its proper divisors (20684404309).

103422021515 is an equidigital number, since it uses as much as digits as its factorization.

103422021515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20684404308.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 103422021515 its reverse (515120224301), we get a palindrome (618542245816).

The spelling of 103422021515 in words is "one hundred three billion, four hundred twenty-two million, twenty-one thousand, five hundred fifteen".

Divisors: 1 5 20684404303 103422021515