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2857000016 = 2413231993001
BaseRepresentation
bin1010101001001010…
…0101110001010000
321101002221122020102
42222102211301100
521322343000031
61151255231532
7130541046053
oct25222456120
97332848212
102857000016
11123677a442
126789785a8
13366b96870
141d1620a9a
1511ac487cb
hexaa4a5c50

2857000016 has 80 divisors (see below), whose sum is σ = 6253766400. Its totient is φ = 1254528000.

The previous prime is 2857000009. The next prime is 2857000019. The reversal of 2857000016 is 6100007582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857000019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950516 + ... + 953516.

It is an arithmetic number, because the mean of its divisors is an integer number (78172080).

Almost surely, 22857000016 is an apocalyptic number.

2857000016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2857000016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3126883200).

2857000016 is an abundant number, since it is smaller than the sum of its proper divisors (3396766384).

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

2857000016 is a wasteful number, since it uses less digits than its factorization.

2857000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2857000016 is about 53450.9122092411. The cubic root of 2857000016 is about 1418.9597645015.

Adding to 2857000016 its reverse (6100007582), we get a palindrome (8957007598).

The spelling of 2857000016 in words is "two billion, eight hundred fifty-seven million, sixteen", and thus it is an aban number.

Divisors: 1 2 4 8 13 16 23 26 46 52 92 104 184 199 208 299 368 398 598 796 1196 1592 2392 2587 3001 3184 4577 4784 5174 6002 9154 10348 12004 18308 20696 24008 36616 39013 41392 48016 59501 69023 73232 78026 119002 138046 156052 238004 276092 312104 476008 552184 597199 624208 897299 952016 1104368 1194398 1794598 2388796 3589196 4777592 7178392 7763587 9555184 13735577 14356784 15527174 27471154 31054348 54942308 62108696 109884616 124217392 178562501 219769232 357125002 714250004 1428500008 2857000016