Search a number
-
+
15103228415 = 51123101118211
BaseRepresentation
bin11100001000011100…
…01111100111111111
31102222120101111110012
432010032033213333
5221412411302130
610534402333435
71043162215622
oct160416174777
942876344405
1015103228415
116450419060
122b1605a27b
131569050162
14a33c15db9
155d5e05995
hex38438f9ff

15103228415 has 32 divisors (see below), whose sum is σ = 20835574272. Its totient is φ = 10402480000.

The previous prime is 15103228411. The next prime is 15103228423. The reversal of 15103228415 is 51482230151.

It is not a de Polignac number, because 15103228415 - 22 = 15103228411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15103228411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68660 + ... + 186870.

It is an arithmetic number, because the mean of its divisors is an integer number (651111696).

Almost surely, 215103228415 is an apocalyptic number.

15103228415 is a deficient number, since it is larger than the sum of its proper divisors (5732345857).

15103228415 is a wasteful number, since it uses less digits than its factorization.

15103228415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118351.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 15103228415 its reverse (51482230151), we get a palindrome (66585458566).

The spelling of 15103228415 in words is "fifteen billion, one hundred three million, two hundred twenty-eight thousand, four hundred fifteen".

Divisors: 1 5 11 23 55 101 115 253 505 1111 1265 2323 5555 11615 25553 118211 127765 591055 1300321 2718853 6501605 11939311 13594265 29907383 59696555 131332421 149536915 274604153 656662105 1373020765 3020645683 15103228415