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103868012919 = 3115051362311
BaseRepresentation
bin110000010111100000…
…1000001100101110111
3100221002201222202110110
41200233001001211313
53200210202403134
6115414415554103
710334642354046
oct1405701014567
9327081882413
10103868012919
11400608704a0
121816922b933
139a43c9b098
145054a5855d
152a7dadc7e9
hex182f041977

103868012919 has 16 divisors (see below), whose sum is σ = 151086161664. Its totient is φ = 62948054400.

The previous prime is 103868012909. The next prime is 103868012959. The reversal of 103868012919 is 919210868301.

It is not a de Polignac number, because 103868012919 - 27 = 103868012791 is a prime.

It is a super-2 number, since 2×1038680129192 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103868012909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1635774 + ... + 1698084.

It is an arithmetic number, because the mean of its divisors is an integer number (9442885104).

Almost surely, 2103868012919 is an apocalyptic number.

103868012919 is a deficient number, since it is larger than the sum of its proper divisors (47218148745).

103868012919 is a wasteful number, since it uses less digits than its factorization.

103868012919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112838.

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 103868012919 in words is "one hundred three billion, eight hundred sixty-eight million, twelve thousand, nine hundred nineteen".

Divisors: 1 3 11 33 50513 62311 151539 186933 555643 685421 1666929 2056263 3147515543 9442546629 34622670973 103868012919