Search a number
-
+
2116988254 = 21636493829
BaseRepresentation
bin111111000101110…
…1010110101011110
312110112111010221101
41332023222311132
513313422111004
6550022223314
7103314050263
oct17613526536
95415433841
102116988254
11996a91677
124b0b84b3a
13279788494
1416122d26a
15c5cc0ba4
hex7e2ead5e

2116988254 has 8 divisors (see below), whose sum is σ = 3194964360. Its totient is φ = 1052000136.

The previous prime is 2116988249. The next prime is 2116988261. The reversal of 2116988254 is 4528896112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3246589 + ... + 3247240.

It is an arithmetic number, because the mean of its divisors is an integer number (399370545).

Almost surely, 22116988254 is an apocalyptic number.

2116988254 is a deficient number, since it is larger than the sum of its proper divisors (1077976106).

2116988254 is a wasteful number, since it uses less digits than its factorization.

2116988254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493994.

The product of its digits is 276480, while the sum is 46.

The square root of 2116988254 is about 46010.7406373773. The cubic root of 2116988254 is about 1284.0230385549.

The spelling of 2116988254 in words is "two billion, one hundred sixteen million, nine hundred eighty-eight thousand, two hundred fifty-four".

Divisors: 1 2 163 326 6493829 12987658 1058494127 2116988254