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2872289616 = 243758714563
BaseRepresentation
bin1010101100110011…
…1010100101010000
321102011201102121220
42223030322211100
521340301231431
61153003045040
7131115026130
oct25314724520
97364642556
102872289616
111244372779
12681b10780
1336a0bac71
141d3680ac0
1511c268b96
hexab33a950

2872289616 has 80 divisors (see below), whose sum is σ = 8495122944. Its totient is φ = 819199872.

The previous prime is 2872289599. The next prime is 2872289627. The reversal of 2872289616 is 6169822782.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189951 + ... + 204513.

Almost surely, 22872289616 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 2872289616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4247561472).

2872289616 is an abundant number, since it is smaller than the sum of its proper divisors (5622833328).

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

2872289616 is a wasteful number, since it uses less digits than its factorization.

2872289616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15168 (or 15162 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 2872289616 is about 53593.7460530611. The cubic root of 2872289616 is about 1421.4865105032.

The spelling of 2872289616 in words is "two billion, eight hundred seventy-two million, two hundred eighty-nine thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 587 1174 1761 2348 3522 4109 4696 7044 8218 9392 12327 14088 14563 16436 24654 28176 29126 32872 43689 49308 58252 65744 87378 98616 101941 116504 174756 197232 203882 233008 305823 349512 407764 611646 699024 815528 1223292 1631056 2446584 4893168 8548481 17096962 25645443 34193924 51290886 59839367 68387848 102581772 119678734 136775696 179518101 205163544 239357468 359036202 410327088 478714936 718072404 957429872 1436144808 2872289616