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2571428288 = 261113221613
BaseRepresentation
bin1001100101000100…
…1110000111000000
320122012121002110202
42121101032013000
520231241201123
61103054344332
7120502531322
oct23121160700
96565532422
102571428288
1110aa560150
125b91bb0a8
1331c97b100
141a5725612
15100b39a28
hex9944e1c0

2571428288 has 84 divisors (see below), whose sum is σ = 6027971688. Its totient is φ = 1078871040.

The previous prime is 2571428281. The next prime is 2571428303. The reversal of 2571428288 is 8828241752.

It is a super-2 number, since 2×25714282882 = 13224486880653221888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2571428281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108170 + ... + 129782.

Almost surely, 22571428288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2571428288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3013985844).

2571428288 is an abundant number, since it is smaller than the sum of its proper divisors (3456543400).

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

2571428288 is a wasteful number, since it uses less digits than its factorization.

2571428288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21662 (or 21639 counting only the distinct ones).

The product of its digits is 573440, while the sum is 47.

The square root of 2571428288 is about 50709.2524890675. The cubic root of 2571428288 is about 1370.0133708536.

The spelling of 2571428288 in words is "two billion, five hundred seventy-one million, four hundred twenty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 143 169 176 208 286 338 352 416 572 676 704 832 1144 1352 1859 2288 2704 3718 4576 5408 7436 9152 10816 14872 21613 29744 43226 59488 86452 118976 172904 237743 280969 345808 475486 561938 691616 950972 1123876 1383232 1901944 2247752 3090659 3652597 3803888 4495504 6181318 7305194 7607776 8991008 12362636 14610388 15215552 17982016 24725272 29220776 40178567 49450544 58441552 80357134 98901088 116883104 160714268 197802176 233766208 321428536 642857072 1285714144 2571428288