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2070131945 = 5759146627
BaseRepresentation
bin111101101100011…
…1011010011101001
312100021022121011112
41323120323103221
513214423210240
6541230040105
7102204555050
oct17330732351
95307277145
102070131945
11972598852
12499349035
1326cb60c5b
14158d13397
15c1b17665
hex7b63b4e9

2070131945 has 8 divisors (see below), whose sum is σ = 2839038144. Its totient is φ = 1419519024.

The previous prime is 2070131941. The next prime is 2070131953. The reversal of 2070131945 is 5491310702.

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

It is not a de Polignac number, because 2070131945 - 22 = 2070131941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070131941) 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, 29573279 + ... + 29573348.

It is an arithmetic number, because the mean of its divisors is an integer number (354879768).

Almost surely, 22070131945 is an apocalyptic number.

It is an amenable number.

2070131945 is a deficient number, since it is larger than the sum of its proper divisors (768906199).

2070131945 is an equidigital number, since it uses as much as digits as its factorization.

2070131945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59146639.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 2070131945 is about 45498.7026738126. The cubic root of 2070131945 is about 1274.4789761445.

The spelling of 2070131945 in words is "two billion, seventy million, one hundred thirty-one thousand, nine hundred forty-five".

Divisors: 1 5 7 35 59146627 295733135 414026389 2070131945