Search a number
-
+
1128561214 = 21151298237
BaseRepresentation
bin100001101000100…
…0111101000111110
32220122120211221111
41003101013220332
54302402424324
6303552552234
736652416634
oct10321075076
92818524844
101128561214
1152a052820
12275b5267a
1314ca70b01
14a9c55354
1569128794
hex43447a3e

1128561214 has 8 divisors (see below), whose sum is σ = 1846736568. Its totient is φ = 512982360.

The previous prime is 1128561193. The next prime is 1128561223. The reversal of 1128561214 is 4121658211.

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, 25649097 + ... + 25649140.

It is an arithmetic number, because the mean of its divisors is an integer number (230842071).

Almost surely, 21128561214 is an apocalyptic number.

1128561214 is a deficient number, since it is larger than the sum of its proper divisors (718175354).

1128561214 is a wasteful number, since it uses less digits than its factorization.

1128561214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51298250.

The product of its digits is 3840, while the sum is 31.

The square root of 1128561214 is about 33594.0651603821. The cubic root of 1128561214 is about 1041.1381813057.

The spelling of 1128561214 in words is "one billion, one hundred twenty-eight million, five hundred sixty-one thousand, two hundred fourteen".

Divisors: 1 2 11 22 51298237 102596474 564280607 1128561214