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2880970861 is a prime number
BaseRepresentation
bin1010101110111000…
…0010000001101101
321102210001111001111
42223232002001231
521400012031421
61153513112021
7131251563646
oct25356020155
97383044044
102880970861
11124926205a
126849b8611
1336bb3a4b2
141d48a06cd
1511cdd0ee1
hexabb8206d

2880970861 has 2 divisors, whose sum is σ = 2880970862. Its totient is φ = 2880970860.

The previous prime is 2880970837. The next prime is 2880970879. The reversal of 2880970861 is 1680790882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2285318025 + 595652836 = 47805^2 + 24406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2880970861 - 29 = 2880970349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2880970831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440485430 + 1440485431.

It is an arithmetic number, because the mean of its divisors is an integer number (1440485431).

Almost surely, 22880970861 is an apocalyptic number.

It is an amenable number.

2880970861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2880970861 is an equidigital number, since it uses as much as digits as its factorization.

2880970861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 2880970861 is about 53674.6761611097. The cubic root of 2880970861 is about 1422.9171764732.

The spelling of 2880970861 in words is "two billion, eight hundred eighty million, nine hundred seventy thousand, eight hundred sixty-one".