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2669869990 = 25266986999
BaseRepresentation
bin1001111100100010…
…1111101110100110
320220001211110002201
42133020233232212
520431441314430
61120532325114
7123106343344
oct23710575646
96801743081
102669869990
111150087927
1262617379a
13337197538
141b482c994
151095d28ca
hex9f22fba6

2669869990 has 8 divisors (see below), whose sum is σ = 4805766000. Its totient is φ = 1067947992.

The previous prime is 2669869981. The next prime is 2669870029. The reversal of 2669869990 is 999689662.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133493490 + ... + 133493509.

It is an arithmetic number, because the mean of its divisors is an integer number (600720750).

Almost surely, 22669869990 is an apocalyptic number.

2669869990 is a deficient number, since it is larger than the sum of its proper divisors (2135896010).

2669869990 is a wasteful number, since it uses less digits than its factorization.

2669869990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266987006.

The product of its (nonzero) digits is 22674816, while the sum is 64.

The square root of 2669869990 is about 51670.7846853519. The cubic root of 2669869990 is about 1387.2775916000.

The spelling of 2669869990 in words is "two billion, six hundred sixty-nine million, eight hundred sixty-nine thousand, nine hundred ninety".

Divisors: 1 2 5 10 266986999 533973998 1334934995 2669869990