Search a number
-
+
2116980715 = 529371972003
BaseRepresentation
bin111111000101110…
…1000111111101011
312110112110202121011
41332023220333223
513313421340330
6550022124351
7103314016303
oct17613507753
95415422534
102116980715
11996a86a43
124b0b806b7
13279784c15
1416122a603
15c5cbd82a
hex7e2e8feb

2116980715 has 32 divisors (see below), whose sum is σ = 2714057280. Its totient is φ = 1582124544.

The previous prime is 2116980667. The next prime is 2116980737. The reversal of 2116980715 is 5170896112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2116980715 - 27 = 2116980587 is a prime.

It is a super-2 number, since 2×21169807152 = 8963214695363822450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1055904 + ... + 1057906.

It is an arithmetic number, because the mean of its divisors is an integer number (84814290).

Almost surely, 22116980715 is an apocalyptic number.

2116980715 is a deficient number, since it is larger than the sum of its proper divisors (597076565).

2116980715 is a wasteful number, since it uses less digits than its factorization.

2116980715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 2116980715 is about 46010.6587107814. The cubic root of 2116980715 is about 1284.0215143359.

The spelling of 2116980715 in words is "two billion, one hundred sixteen million, nine hundred eighty thousand, seven hundred fifteen".

Divisors: 1 5 29 37 145 185 197 985 1073 2003 5365 5713 7289 10015 28565 36445 58087 74111 211381 290435 370555 394591 1056905 1972955 2149219 10746095 11443139 14599867 57215695 72999335 423396143 2116980715