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5457872868 = 2237438391801
BaseRepresentation
bin1010001010101000…
…01000011111100100
3112002100221200001120
411011110020133210
542134203412433
62301325053540
7252152103540
oct50524103744
915070850046
105457872868
112350910738
1210839b72b0
1368c983b96
1439ac0ca20
1521e24c7b3
hex1455087e4

5457872868 has 96 divisors (see below), whose sum is σ = 14918830080. Its totient is φ = 1520467200.

The previous prime is 5457872867. The next prime is 5457872881. The reversal of 5457872868 is 8682787545.

It is not an unprimeable number, because it can be changed into a prime (5457872867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3029568 + ... + 3031368.

It is an arithmetic number, because the mean of its divisors is an integer number (155404480).

Almost surely, 25457872868 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 5457872868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7459415040).

5457872868 is an abundant number, since it is smaller than the sum of its proper divisors (9460957212).

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

5457872868 is a wasteful number, since it uses less digits than its factorization.

5457872868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2695 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 60.

The square root of 5457872868 is about 73877.4178487581. The cubic root of 5457872868 is about 1760.6558407205.

The spelling of 5457872868 in words is "five billion, four hundred fifty-seven million, eight hundred seventy-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 172 258 301 516 602 839 903 1204 1678 1801 1806 2517 3356 3602 3612 5034 5403 5873 7204 10068 10806 11746 12607 17619 21612 23492 25214 35238 36077 37821 50428 70476 72154 75642 77443 108231 144308 151284 154886 216462 232329 252539 309772 432924 464658 505078 542101 757617 929316 1010156 1084202 1511039 1515234 1626303 2168404 3022078 3030468 3252606 4533117 6044156 6505212 9066234 10577273 18132468 21154546 31731819 42309092 63463638 64974677 126927276 129949354 194924031 259898708 389848062 454822739 779696124 909645478 1364468217 1819290956 2728936434 5457872868