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2064840579 = 34181140839
BaseRepresentation
bin111101100010010…
…1111011110000011
312022220100202210000
41323010233132003
513212044344304
6540520411043
7102111566244
oct17304573603
95286322700
102064840579
1196a60431a
12497616a83
1326ba2a679
14158336ccb
15c141e939
hex7b12f783

2064840579 has 20 divisors (see below), whose sum is σ = 3101578480. Its totient is φ = 1368945360.

The previous prime is 2064840539. The next prime is 2064840581. The reversal of 2064840579 is 9750484602.

It is a happy number.

It is not a de Polignac number, because 2064840579 - 213 = 2064832387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2064840539) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55759 + ... + 85080.

It is an arithmetic number, because the mean of its divisors is an integer number (155078924).

Almost surely, 22064840579 is an apocalyptic number.

2064840579 is a deficient number, since it is larger than the sum of its proper divisors (1036737901).

2064840579 is a wasteful number, since it uses less digits than its factorization.

2064840579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141032 (or 141023 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2064840579 is about 45440.5169314787. The cubic root of 2064840579 is about 1273.3921712363.

The spelling of 2064840579 in words is "two billion, sixty-four million, eight hundred forty thousand, five hundred seventy-nine".

Divisors: 1 3 9 27 81 181 543 1629 4887 14661 140839 422517 1267551 3802653 11407959 25491859 76475577 229426731 688280193 2064840579