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2066870870 = 25206687087
BaseRepresentation
bin111101100110001…
…1111001001010110
312100001011220210222
41323030133021112
513213104331440
6541032114342
7102135053411
oct17314371126
95301156728
102066870870
11970770749
124982359b2
1326c28b81c
14158704b78
15c16c12b5
hex7b31f256

2066870870 has 8 divisors (see below), whose sum is σ = 3720367584. Its totient is φ = 826748344.

The previous prime is 2066870867. The next prime is 2066870879. The reversal of 2066870870 is 780786602.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066870879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103343534 + ... + 103343553.

It is an arithmetic number, because the mean of its divisors is an integer number (465045948).

Almost surely, 22066870870 is an apocalyptic number.

2066870870 is a deficient number, since it is larger than the sum of its proper divisors (1653496714).

2066870870 is a wasteful number, since it uses less digits than its factorization.

2066870870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206687094.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 2066870870 is about 45462.8515383714. The cubic root of 2066870870 is about 1273.8093963056.

The spelling of 2066870870 in words is "two billion, sixty-six million, eight hundred seventy thousand, eight hundred seventy".

Divisors: 1 2 5 10 206687087 413374174 1033435435 2066870870