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103141818649 = 192169032
BaseRepresentation
bin110000000001110111…
…0110100000100011001
3100212020010112021012101
41200003232310010121
53142213301144044
6115214355043401
710310643664432
oct1400356640431
9325203467171
10103141818649
113a81895aa41
1217ba5ba0561
1399596ba02c
144dc6422489
152a39e93cd4
hex1803bb4119

103141818649 has 9 divisors (see below), whose sum is σ = 108862487253. Its totient is φ = 97707521052.

The previous prime is 103141818629. The next prime is 103141818691. The reversal of 103141818649 is 946818141301.

The square root of 103141818649 is 321157.

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

It is not a de Polignac number, because 103141818649 - 233 = 94551884057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103141818599 and 103141818608.

It is not an unprimeable number, because it can be changed into a prime (103141818629) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6093532 + ... + 6110434.

It is an arithmetic number, because the mean of its divisors is an integer number (12095831917).

Almost surely, 2103141818649 is an apocalyptic number.

103141818649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

103141818649 is the 321157-th square number.

103141818649 is the 160579-th centered octagonal number.

It is an amenable number.

103141818649 is a deficient number, since it is larger than the sum of its proper divisors (5720668604).

103141818649 is an frugal number, since it uses more digits than its factorization.

103141818649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33844 (or 16922 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 103141818649 in words is "one hundred three billion, one hundred forty-one million, eight hundred eighteen thousand, six hundred forty-nine".

Divisors: 1 19 361 16903 321157 6101983 285711409 5428516771 103141818649