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103875356209 = 192169632
BaseRepresentation
bin110000010111101110…
…1000010011000110001
3100221010020210211120011
41200233131002120301
53200214042344314
6115415241214521
710335061650052
oct1405735023061
9327106724504
10103875356209
1140064a26629
121816b791441
139a4566c621
145055a0a729
152a7e58d4c4
hex182f742631

103875356209 has 9 divisors (see below), whose sum is σ = 109636686873. Its totient is φ = 98402430852.

The previous prime is 103875356177. The next prime is 103875356231. The reversal of 103875356209 is 902653578301.

The square root of 103875356209 is 322297.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 103875356209 - 25 = 103875356177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103875356239) 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 8 ways as a sum of consecutive naturals, for example, 6115162 + ... + 6132124.

It is an arithmetic number, because the mean of its divisors is an integer number (12181854097).

Almost surely, 2103875356209 is an apocalyptic number.

103875356209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

103875356209 is the 322297-th square number.

103875356209 is the 161149-th centered octagonal number.

It is an amenable number.

103875356209 is a deficient number, since it is larger than the sum of its proper divisors (5761330664).

103875356209 is an frugal number, since it uses more digits than its factorization.

103875356209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33964 (or 16982 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

Multiplying 103875356209 by its sum of digits (49), we get a square (5089892454241 = 22560792).

The spelling of 103875356209 in words is "one hundred three billion, eight hundred seventy-five million, three hundred fifty-six thousand, two hundred nine".

Divisors: 1 19 361 16963 322297 6123643 287743369 5467124011 103875356209