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2838780130 = 25299788897
BaseRepresentation
bin1010100100110100…
…0101100011100010
321022211122222020211
42221031011203202
521303211431010
61145404524334
7130230142624
oct25115054342
97284588224
102838780130
11122746558a
126728506aa
13363187774
141cd03ac14
1511934a08a
hexa93458e2

2838780130 has 16 divisors (see below), whose sum is σ = 5286004920. Its totient is φ = 1096356352.

The previous prime is 2838780121. The next prime is 2838780137. The reversal of 2838780130 is 310878382.

It can be written as a sum of positive squares in 4 ways, for example, as 2058527641 + 780252489 = 45371^2 + 27933^2 .

It is not an unprimeable number, because it can be changed into a prime (2838780137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4894159 + ... + 4894738.

Almost surely, 22838780130 is an apocalyptic number.

2838780130 is a deficient number, since it is larger than the sum of its proper divisors (2447224790).

2838780130 is a wasteful number, since it uses less digits than its factorization.

2838780130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788933.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 2838780130 is about 53280.2039222824. The cubic root of 2838780130 is about 1415.9369622128.

The spelling of 2838780130 in words is "two billion, eight hundred thirty-eight million, seven hundred eighty thousand, one hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 9788897 19577794 48944485 97888970 283878013 567756026 1419390065 2838780130