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2054660609 = 13942135111
BaseRepresentation
bin111101001110111…
…1010001000000001
312022012012120111002
41322131322020001
513201443114414
6535514301345
7101626220111
oct17235721001
95265176432
102054660609
11964890a21
12494127855
132698a4c11
14156c47041
15c05ad4de
hex7a77a201

2054660609 has 8 divisors (see below), whose sum is σ = 2074416960. Its totient is φ = 2034975600.

The previous prime is 2054660599. The next prime is 2054660611. The reversal of 2054660609 is 9060664502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2054660609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054660639) 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, 40964 + ... + 76074.

It is an arithmetic number, because the mean of its divisors is an integer number (259302120).

Almost surely, 22054660609 is an apocalyptic number.

It is an amenable number.

2054660609 is a deficient number, since it is larger than the sum of its proper divisors (19756351).

2054660609 is a wasteful number, since it uses less digits than its factorization.

2054660609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35671.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 2054660609 is about 45328.3642877172. The cubic root of 2054660609 is about 1271.2960520330.

The spelling of 2054660609 in words is "two billion, fifty-four million, six hundred sixty thousand, six hundred nine".

Divisors: 1 139 421 35111 58519 4880429 14781731 2054660609