Search a number
-
+
103249894792725 = 325222918771067597
BaseRepresentation
bin10111011110011110111101…
…010011010101111000010101
3111112120121000200201120121100
4113132132331103111320111
5102013121241031331400
61003332202530540313
730514362434115342
oct2736367523257025
9445517020646540
10103249894792725
112a99804198933a
12b6b6630a37699
13457c566cb9cb5
141b6d4705717c9
15be0b7799a100
hex5de7bd4d5e15

103249894792725 has 72 divisors (see below), whose sum is σ = 185838726888360. Its totient is φ = 54796884226560.

The previous prime is 103249894792699. The next prime is 103249894792727. The reversal of 103249894792725 is 527297498942301.

103249894792725 is a `hidden beast` number, since 1 + 0 + 3 + 2 + 4 + 9 + 89 + 479 + 2 + 72 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 17254577822769 + 85995316969956 = 4153863^2 + 9273366^2 .

It is not a de Polignac number, because 103249894792725 - 26 = 103249894792661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103249894792727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 96178627 + ... + 97246223.

It is an arithmetic number, because the mean of its divisors is an integer number (2581093429005).

Almost surely, 2103249894792725 is an apocalyptic number.

103249894792725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103249894792725 is a deficient number, since it is larger than the sum of its proper divisors (82588832095635).

103249894792725 is a wasteful number, since it uses less digits than its factorization.

103249894792725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069719 (or 1069711 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 72.

The spelling of 103249894792725 in words is "one hundred three trillion, two hundred forty-nine billion, eight hundred ninety-four million, seven hundred ninety-two thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 229 687 1145 1877 2061 3435 5631 5725 9385 10305 16893 17175 28155 46925 51525 84465 140775 422325 429833 1067597 1289499 2149165 3202791 3868497 5337985 6447495 9608373 10745825 16013955 19342485 26689925 32237475 48041865 80069775 96712425 240209325 244479713 733439139 1222398565 2003879569 2200317417 3667195695 6011638707 6111992825 10019397845 11001587085 18034916121 18335978475 30058193535 50096989225 55007935425 90174580605 150290967675 450872903025 458888421301 1376665263903 2294442106505 4129995791709 6883326319515 11472210532525 20649978958545 34416631597575 103249894792725