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2120384563 = 111747110339
BaseRepresentation
bin111111001100010…
…1000000000110011
312110202212200210121
41332120220000303
513320304301223
6550223111111
7103354654123
oct17630500063
95422780717
102120384563
119989a1340
124b2142497
1327a3a732b
14161874c83
15c624215d
hex7e628033

2120384563 has 8 divisors (see below), whose sum is σ = 2314491840. Its totient is φ = 1926501480.

The previous prime is 2120384549. The next prime is 2120384587. The reversal of 2120384563 is 3654830212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2120384563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120384963) 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, 35953 + ... + 74386.

It is an arithmetic number, because the mean of its divisors is an integer number (289311480).

Almost surely, 22120384563 is an apocalyptic number.

2120384563 is a deficient number, since it is larger than the sum of its proper divisors (194107277).

2120384563 is a wasteful number, since it uses less digits than its factorization.

2120384563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112097.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2120384563 is about 46047.6336308393. The cubic root of 2120384563 is about 1284.7093294005.

It can be divided in two parts, 2120 and 384563, that added together give a palindrome (386683).

The spelling of 2120384563 in words is "two billion, one hundred twenty million, three hundred eighty-four thousand, five hundred sixty-three".

Divisors: 1 11 1747 19217 110339 1213729 192762233 2120384563