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2161034052 = 2231977391237
BaseRepresentation
bin1000000011001110…
…1100001101000100
312120121100220102020
42000303230031010
513411211042202
6554234243140
7104360325552
oct20063541504
95517326366
102161034052
11a09935961
125038864b0
1328593a698
14167016bd2
15c9ac15bc
hex80cec344

2161034052 has 48 divisors (see below), whose sum is σ = 5078969280. Its totient is φ = 715139712.

The previous prime is 2161034047. The next prime is 2161034063. The reversal of 2161034052 is 2504301612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746378 + ... + 1747614.

It is an arithmetic number, because the mean of its divisors is an integer number (105811860).

Almost surely, 22161034052 is an apocalyptic number.

It is an amenable number.

2161034052 is an abundant number, since it is smaller than the sum of its proper divisors (2917935228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2161034052 is a wasteful number, since it uses less digits than its factorization.

2161034052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2161034052 is about 46486.9234516547. The cubic root of 2161034052 is about 1292.8670586573.

Adding to 2161034052 its reverse (2504301612), we get a palindrome (4665335664).

The spelling of 2161034052 in words is "two billion, one hundred sixty-one million, thirty-four thousand, fifty-two".

Divisors: 1 2 3 4 6 12 197 394 591 739 788 1182 1237 1478 2217 2364 2474 2956 3711 4434 4948 7422 8868 14844 145583 243689 291166 436749 487378 582332 731067 873498 914143 974756 1462134 1746996 1828286 2742429 2924268 3656572 5484858 10969716 180086171 360172342 540258513 720344684 1080517026 2161034052