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6066640640 = 2854739563
BaseRepresentation
bin1011010011001100…
…11001011100000000
3120122210110021110002
411221212121130000
544411030000030
62441553055132
7303223410644
oct55146313400
916583407402
106066640640
1126335079a5
1212138574a8
13758b2c4b8
144179d8c24
152578ed245
hex169999700

6066640640 has 36 divisors (see below), whose sum is σ = 14531503224. Its totient is φ = 2426655744.

The previous prime is 6066640627. The next prime is 6066640661. The reversal of 6066640640 is 460466606.

It is a junction number, because it is equal to n+sod(n) for n = 6066640594 and 6066640603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368502 + ... + 2371061.

Almost surely, 26066640640 is an apocalyptic number.

It is an amenable number.

6066640640 is an abundant number, since it is smaller than the sum of its proper divisors (8464862584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6066640640 is an equidigital number, since it uses as much as digits as its factorization.

6066640640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739584 (or 4739570 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 6066640640 is about 77888.6425610307. The cubic root of 6066640640 is about 1823.8232874869.

The spelling of 6066640640 in words is "six billion, sixty-six million, six hundred forty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 4739563 9479126 18958252 23697815 37916504 47395630 75833008 94791260 151666016 189582520 303332032 379165040 606664064 758330080 1213328128 1516660160 3033320320 6066640640