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2698969109 = 233221827
BaseRepresentation
bin1010000011011111…
…0000000000010101
320222002120211120212
42200313300000111
521011414002414
61123452135205
7123611600414
oct24067600025
96862524525
102698969109
111165552491
12633a67505
13340215455
141b864547b
1510be2e83e
hexa0df0015

2698969109 has 8 divisors (see below), whose sum is σ = 2821652160. Its totient is φ = 2581610988.

The previous prime is 2698969103. The next prime is 2698969121. The reversal of 2698969109 is 9019698962.

It is not a de Polignac number, because 2698969109 - 212 = 2698965013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698969103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98747 + ... + 123080.

It is an arithmetic number, because the mean of its divisors is an integer number (352706520).

Almost surely, 22698969109 is an apocalyptic number.

It is an amenable number.

2698969109 is a deficient number, since it is larger than the sum of its proper divisors (122683051).

2698969109 is an frugal number, since it uses more digits than its factorization.

2698969109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221896 (or 221850 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 59.

The square root of 2698969109 is about 51951.6035267440. The cubic root of 2698969109 is about 1392.2994063331.

The spelling of 2698969109 in words is "two billion, six hundred ninety-eight million, nine hundred sixty-nine thousand, one hundred nine".

Divisors: 1 23 529 12167 221827 5102021 117346483 2698969109