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2979980705 = 513127467773
BaseRepresentation
bin1011000110011110…
…1110010110100001
321200200100201000202
42301213232112201
522100333340310
61211411154545
7133563263252
oct26147562641
97620321022
102979980705
11129a137679
126b1ba5a55
133864c53c0
14203ab4b29
1512693c3a5
hexb19ee5a1

2979980705 has 32 divisors (see below), whose sum is σ = 3894718464. Its totient is φ = 2175780096.

The previous prime is 2979980699. The next prime is 2979980713. The reversal of 2979980705 is 5070899792.

It is a cyclic number.

It is not a de Polignac number, because 2979980705 - 212 = 2979976609 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3854699 + ... + 3855471.

It is an arithmetic number, because the mean of its divisors is an integer number (121709952).

Almost surely, 22979980705 is an apocalyptic number.

It is an amenable number.

2979980705 is a deficient number, since it is larger than the sum of its proper divisors (914737759).

2979980705 is a wasteful number, since it uses less digits than its factorization.

2979980705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The square root of 2979980705 is about 54589.1995270127. The cubic root of 2979980705 is about 1439.0343166971.

The spelling of 2979980705 in words is "two billion, nine hundred seventy-nine million, nine hundred eighty thousand, seven hundred five".

Divisors: 1 5 13 65 127 467 635 773 1651 2335 3865 6071 8255 10049 30355 50245 59309 98171 296545 360991 490855 771017 1276223 1804955 3855085 4692883 6381115 23464415 45845857 229229285 595996141 2979980705