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6430871404 = 2219167506687
BaseRepresentation
bin1011111110100111…
…10100111101101100
3121121011211010010101
411333103310331230
5101132300341104
62542043520444
7315235335136
oct57723647554
917534733111
106430871404
112800071961
1212b5829124
137b6428b69
1445012c056
152798985a4
hex17f4f4f6c

6430871404 has 24 divisors (see below), whose sum is σ = 11917301760. Its totient is φ = 3027955536.

The previous prime is 6430871399. The next prime is 6430871411. The reversal of 6430871404 is 4041780346.

It is a super-2 number, since 2×64308714042 = 82712214029569862432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240652 + ... + 266035.

It is an arithmetic number, because the mean of its divisors is an integer number (496554240).

Almost surely, 26430871404 is an apocalyptic number.

It is an amenable number.

6430871404 is a deficient number, since it is larger than the sum of its proper divisors (5486430356).

6430871404 is a wasteful number, since it uses less digits than its factorization.

6430871404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506877 (or 506875 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 6430871404 is about 80192.7141578336. The cubic root of 6430871404 is about 1859.6160038992.

The spelling of 6430871404 in words is "six billion, four hundred thirty million, eight hundred seventy-one thousand, four hundred four".

Divisors: 1 2 4 19 38 76 167 334 668 3173 6346 12692 506687 1013374 2026748 9627053 19254106 38508212 84616729 169233458 338466916 1607717851 3215435702 6430871404