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2095470921 = 39720833457
BaseRepresentation
bin111110011100110…
…0101100101001001
312102000222221201010
41330321211211021
513242420032141
6543533114133
7102633131445
oct17471454511
95360887633
102095470921
11985925355
124a5928949
1327519352b
1415c42b825
15c3e70416
hex7ce65949

2095470921 has 16 divisors (see below), whose sum is σ = 2824937024. Its totient is φ = 1381515264.

The previous prime is 2095470919. The next prime is 2095470943. The reversal of 2095470921 is 1290745902.

It is not a de Polignac number, because 2095470921 - 21 = 2095470919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2095470921.

It is not an unprimeable number, because it can be changed into a prime (2095470901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604425 + ... + 607881.

It is an arithmetic number, because the mean of its divisors is an integer number (176558564).

Almost surely, 22095470921 is an apocalyptic number.

It is an amenable number.

2095470921 is a deficient number, since it is larger than the sum of its proper divisors (729466103).

2095470921 is a wasteful number, since it uses less digits than its factorization.

2095470921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 2095470921 is about 45776.3139734951. The cubic root of 2095470921 is about 1279.6578921743.

The spelling of 2095470921 in words is "two billion, ninety-five million, four hundred seventy thousand, nine hundred twenty-one".

Divisors: 1 3 97 291 2083 3457 6249 10371 202051 335329 606153 1005987 7200931 21602793 698490307 2095470921