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2693990555 = 52811917431
BaseRepresentation
bin1010000010010011…
…0000100010011011
320221202012220021222
42200210300202123
521004130144210
61123153322255
7123521353604
oct24044604233
96852186258
102693990555
111162761a83
1263226638b
1333c191369
141b7b0adab
1510b799655
hexa093089b

2693990555 has 8 divisors (see below), whose sum is σ = 3244294944. Its totient is φ = 2147521600.

The previous prime is 2693990521. The next prime is 2693990587. The reversal of 2693990555 is 5550993962.

It is a happy number.

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

It is not a de Polignac number, because 2693990555 - 26 = 2693990491 is a prime.

It is a super-2 number, since 2×26939905552 = 14515170220858416050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2693990497 and 2693990506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957311 + ... + 960120.

It is an arithmetic number, because the mean of its divisors is an integer number (405536868).

Almost surely, 22693990555 is an apocalyptic number.

2693990555 is a deficient number, since it is larger than the sum of its proper divisors (550304389).

2693990555 is a wasteful number, since it uses less digits than its factorization.

2693990555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917717.

The product of its (nonzero) digits is 3280500, while the sum is 53.

The square root of 2693990555 is about 51903.6661036578. Note that the first 3 decimals coincide. The cubic root of 2693990555 is about 1391.4427947980.

The spelling of 2693990555 in words is "two billion, six hundred ninety-three million, nine hundred ninety thousand, five hundred fifty-five".

Divisors: 1 5 281 1405 1917431 9587155 538798111 2693990555