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103440212303 = 211490237973
BaseRepresentation
bin110000001010110000…
…1000110000101001111
3100212222221000020100012
41200111201012011033
53143321143243203
6115304134423435
710321226203661
oct1402541060517
9325887006305
10103440212303
113a96133756a
1218069b01b7b
1399a647491c
145013cd8531
152a56286bd8
hex181584614f

103440212303 has 4 divisors (see below), whose sum is σ = 103930450488. Its totient is φ = 102949974120.

The previous prime is 103440212279. The next prime is 103440212363. The reversal of 103440212303 is 303212044301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103440212303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103440212363) 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, 245118776 + ... + 245119197.

It is an arithmetic number, because the mean of its divisors is an integer number (25982612622).

Almost surely, 2103440212303 is an apocalyptic number.

103440212303 is a deficient number, since it is larger than the sum of its proper divisors (490238185).

103440212303 is an equidigital number, since it uses as much as digits as its factorization.

103440212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490238184.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 103440212303 its reverse (303212044301), we get a palindrome (406652256604).

The spelling of 103440212303 in words is "one hundred three billion, four hundred forty million, two hundred twelve thousand, three hundred three".

Divisors: 1 211 490237973 103440212303