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103939451569 = 1914093882539
BaseRepresentation
bin110000011001101000…
…1100010101010110001
3100221021201102012212101
41200303101202222301
53200331444422234
6115425451100401
710336500522022
oct1406321425261
9327251365771
10103939451569
11400981243a8
1218189141701
139a55a21685
145060332c49
152a84eee814
hex1833462ab1

103939451569 has 8 divisors (see below), whose sum is σ = 109487628000. Its totient is φ = 98399043072.

The previous prime is 103939451491. The next prime is 103939451717. The reversal of 103939451569 is 965154939301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103939451569 - 217 = 103939320497 is a prime.

It is a super-2 number, since 2×1039394515692 (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 (103939451269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914499 + ... + 1968040.

It is an arithmetic number, because the mean of its divisors is an integer number (13685953500).

Almost surely, 2103939451569 is an apocalyptic number.

103939451569 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

103939451569 is a deficient number, since it is larger than the sum of its proper divisors (5548176431).

103939451569 is a wasteful number, since it uses less digits than its factorization.

103939451569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883967.

The product of its (nonzero) digits is 3936600, while the sum is 55.

The spelling of 103939451569 in words is "one hundred three billion, nine hundred thirty-nine million, four hundred fifty-one thousand, five hundred sixty-nine".

Divisors: 1 19 1409 26771 3882539 73768241 5470497451 103939451569