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2032120091 = 193113924821
BaseRepresentation
bin111100100011111…
…1011000100011011
312020121210101201002
41321013323010123
513130210320331
6533351215215
7101233510241
oct17107730433
95217711632
102032120091
119530959a1
1248867750b
13265012331
14153c5a791
15bd6099cb
hex791fb11b

2032120091 has 16 divisors (see below), whose sum is σ = 2224051200. Its totient is φ = 1849586400.

The previous prime is 2032120073. The next prime is 2032120093. The reversal of 2032120091 is 1900212302.

It is a cyclic number.

It is not a de Polignac number, because 2032120091 - 226 = 1965011227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2032120093) 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, 69461 + ... + 94281.

It is an arithmetic number, because the mean of its divisors is an integer number (139003200).

Almost surely, 22032120091 is an apocalyptic number.

2032120091 is a deficient number, since it is larger than the sum of its proper divisors (191931109).

2032120091 is a wasteful number, since it uses less digits than its factorization.

2032120091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25010.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2032120091 is about 45079.0427027904. The cubic root of 2032120091 is about 1266.6300578601.

Adding to 2032120091 its reverse (1900212302), we get a palindrome (3932332393).

The spelling of 2032120091 in words is "two billion, thirty-two million, one hundred twenty thousand, ninety-one".

Divisors: 1 19 31 139 589 2641 4309 24821 81871 471599 769451 3450119 14619569 65552261 106953689 2032120091