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2070520307 = 19450724179
BaseRepresentation
bin111101101101001…
…1010000111110011
312100022001022220022
41323122122013303
513220023122212
6541242234055
7102211063232
oct17332320763
95308038808
102070520307
11972833609
124994b592b
1326cc6895b
14158db4b19
15c1b92772
hex7b69a1f3

2070520307 has 8 divisors (see below), whose sum is σ = 2180068800. Its totient is φ = 1961029224.

The previous prime is 2070520289. The next prime is 2070520343. The reversal of 2070520307 is 7030250702.

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-2070520307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070520367) 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, 73544 + ... + 97722.

It is an arithmetic number, because the mean of its divisors is an integer number (272508600).

Almost surely, 22070520307 is an apocalyptic number.

2070520307 is a deficient number, since it is larger than the sum of its proper divisors (109548493).

2070520307 is a wasteful number, since it uses less digits than its factorization.

2070520307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28705.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 2070520307 is about 45502.9703096402. The cubic root of 2070520307 is about 1274.5586696565.

The spelling of 2070520307 in words is "two billion, seventy million, five hundred twenty thousand, three hundred seven".

Divisors: 1 19 4507 24179 85633 459401 108974753 2070520307