Search a number
-
+
2015664411146 = 213935320539919
BaseRepresentation
bin11101010101001110111…
…101100001001000001010
321010200210010012101101212
4131111032331201020022
5231011040042124041
64141552231413122
7265425020542151
oct35251675411012
97120703171355
102015664411146
11707925014821
12286795b241a2
131180cb93b9c9
146d7b7026598
15376732d48eb
hex1d54ef6120a

2015664411146 has 16 divisors (see below), whose sum is σ = 3053875305600. Its totient is φ = 997747056768.

The previous prime is 2015664411049. The next prime is 2015664411223. The reversal of 2015664411146 is 6411144665102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10171826 + ... + 10368093.

It is an arithmetic number, because the mean of its divisors is an integer number (190867206600).

Almost surely, 22015664411146 is an apocalyptic number.

2015664411146 is a deficient number, since it is larger than the sum of its proper divisors (1038210894454).

2015664411146 is a wasteful number, since it uses less digits than its factorization.

2015664411146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20540413.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 2015664411146 in words is "two trillion, fifteen billion, six hundred sixty-four million, four hundred eleven thousand, one hundred forty-six".

Divisors: 1 2 139 278 353 706 49067 98134 20539919 41079838 2855048741 5710097482 7250591407 14501182814 1007832205573 2015664411146