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2087049923 = 723109118927
BaseRepresentation
bin111110001100101…
…1101101011000011
312101110011010021022
41330121131223003
513233241044143
6543032420055
7102501426440
oct17431355303
95343133238
102087049923
119810a3552
124a2b4762b
132735055aa
1415b2789c7
15c335a268
hex7c65dac3

2087049923 has 16 divisors (see below), whose sum is σ = 2511759360. Its totient is φ = 1695409056.

The previous prime is 2087049871. The next prime is 2087049941. The reversal of 2087049923 is 3299407802.

It is a cyclic number.

It is not a de Polignac number, because 2087049923 - 28 = 2087049667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2087048923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41915 + ... + 77012.

It is an arithmetic number, because the mean of its divisors is an integer number (156984960).

Almost surely, 22087049923 is an apocalyptic number.

2087049923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2087049923 is a deficient number, since it is larger than the sum of its proper divisors (424709437).

2087049923 is a wasteful number, since it uses less digits than its factorization.

2087049923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119066.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2087049923 is about 45684.2415171796. The cubic root of 2087049923 is about 1277.9414181985.

The spelling of 2087049923 in words is "two billion, eighty-seven million, forty-nine thousand, nine hundred twenty-three".

Divisors: 1 7 23 109 161 763 2507 17549 118927 832489 2735321 12963043 19147247 90741301 298149989 2087049923