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2080697140 = 225104034857
BaseRepresentation
bin111110000000100…
…1110101100110100
312101000012100220001
41330001032230310
513230124302030
6542244321044
7102363430264
oct17401165464
95330170801
102080697140
11978554615
124a09a3184
132720bcb52
1415a4a37a4
15c2a02cca
hex7c04eb34

2080697140 has 12 divisors (see below), whose sum is σ = 4369464036. Its totient is φ = 832278848.

The previous prime is 2080697117. The next prime is 2080697141. The reversal of 2080697140 is 417960802.

It can be written as a sum of positive squares in 2 ways, for example, as 312158224 + 1768538916 = 17668^2 + 42054^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2080697140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080697141) 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, 52017409 + ... + 52017448.

It is an arithmetic number, because the mean of its divisors is an integer number (364122003).

Almost surely, 22080697140 is an apocalyptic number.

2080697140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2080697140 is an abundant number, since it is smaller than the sum of its proper divisors (2288766896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2080697140 is a wasteful number, since it uses less digits than its factorization.

2080697140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104034866 (or 104034864 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2080697140 is about 45614.6592665121. The cubic root of 2080697140 is about 1276.6434559911.

The spelling of 2080697140 in words is "two billion, eighty million, six hundred ninety-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 104034857 208069714 416139428 520174285 1040348570 2080697140