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7056863840 = 255133392723
BaseRepresentation
bin1101001001001111…
…10011001001100000
3200012210201211022102
412210213303021200
5103423024120330
63124125025532
7336606232025
oct64447631140
920183654272
107056863840
112aa1463284
12144b3b52a8
138860255a0
144ad31d54c
152b47ec945
hex1a49f3260

7056863840 has 48 divisors (see below), whose sum is σ = 17954295408. Its totient is φ = 2605610496.

The previous prime is 7056863819. The next prime is 7056863843. The reversal of 7056863840 is 483686507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7056863843) 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, 1694282 + ... + 1698441.

It is an arithmetic number, because the mean of its divisors is an integer number (374047821).

Almost surely, 27056863840 is an apocalyptic number.

It is an amenable number.

7056863840 is an abundant number, since it is smaller than the sum of its proper divisors (10897431568).

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

7056863840 is a wasteful number, since it uses less digits than its factorization.

7056863840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392751 (or 3392743 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 7056863840 is about 84005.1417473954. The cubic root of 7056863840 is about 1918.0970584542.

The spelling of 7056863840 in words is "seven billion, fifty-six million, eight hundred sixty-three thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 3392723 6785446 13570892 16963615 27141784 33927230 44105399 54283568 67854460 88210798 108567136 135708920 176421596 220526995 271417840 352843192 441053990 542835680 705686384 882107980 1411372768 1764215960 3528431920 7056863840