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2806053698 = 27253512
BaseRepresentation
bin1010011101000000…
…1111101101000010
321020120002022000202
42213100033231002
521221322204243
61142235245202
7126352030400
oct24720175502
97216068022
102806053698
11120aa42748
126638a9802
13359469806
141c895c470
151165334b8
hexa740fb42

2806053698 has 18 divisors (see below), whose sum is σ = 4897192563. Its totient is φ = 1202369700.

The previous prime is 2806053671. The next prime is 2806053721. The reversal of 2806053698 is 8963506082.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1403026849 + 1403026849 = 37457^2 + 37457^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=37457.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 521723 + ... + 527073.

Almost surely, 22806053698 is an apocalyptic number.

2806053698 is a deficient number, since it is larger than the sum of its proper divisors (2091138865).

2806053698 is an frugal number, since it uses more digits than its factorization.

2806053698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10718 (or 5360 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 2806053698 is about 52972.1974058090. The cubic root of 2806053698 is about 1410.4747823506.

The spelling of 2806053698 in words is "two billion, eight hundred six million, fifty-three thousand, six hundred ninety-eight".

Divisors: 1 2 7 14 49 98 5351 10702 37457 74914 262199 524398 28633201 57266402 200432407 400864814 1403026849 2806053698