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2071941221 = 72910206607
BaseRepresentation
bin111101101111111…
…0101000001100101
312100101201112000202
41323133311001211
513220404104341
6541332520245
7102226131650
oct17337650145
95311645022
102071941221
11973614119
12499a80085
1327034562c
14159264897
15c1d7379b
hex7b7f5065

2071941221 has 8 divisors (see below), whose sum is σ = 2449585920. Its totient is φ = 1714709808.

The previous prime is 2071941217. The next prime is 2071941227. The reversal of 2071941221 is 1221491702.

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

It is not a de Polignac number, because 2071941221 - 22 = 2071941217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071941227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5103101 + ... + 5103506.

It is an arithmetic number, because the mean of its divisors is an integer number (306198240).

Almost surely, 22071941221 is an apocalyptic number.

It is an amenable number.

2071941221 is a deficient number, since it is larger than the sum of its proper divisors (377644699).

2071941221 is a wasteful number, since it uses less digits than its factorization.

2071941221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206643.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2071941221 is about 45518.5810521374. The cubic root of 2071941221 is about 1274.8501622713.

The spelling of 2071941221 in words is "two billion, seventy-one million, nine hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 7 29 203 10206607 71446249 295991603 2071941221