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216698116 = 221719179937
BaseRepresentation
bin11001110101010…
…00110100000100
3120002202101221011
430322220310010
5420433314431
633300332004
75240621635
oct1472506404
9502671834
10216698116
11101358558
12606a4004
1335b8284b
1420acb88c
1514056cb1
hexcea8d04

216698116 has 48 divisors (see below), whose sum is σ = 425476800. Its totient is φ = 95966208.

The previous prime is 216698107. The next prime is 216698117. The reversal of 216698116 is 611896612.

216698116 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

216698116 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (216698117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230800 + ... + 231736.

It is an arithmetic number, because the mean of its divisors is an integer number (8864100).

Almost surely, 2216698116 is an apocalyptic number.

It is an amenable number.

216698116 is a deficient number, since it is larger than the sum of its proper divisors (208778684).

216698116 is a wasteful number, since it uses less digits than its factorization.

216698116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1154 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 216698116 is about 14720.6696858533. The cubic root of 216698116 is about 600.6457085552.

The spelling of 216698116 in words is "two hundred sixteen million, six hundred ninety-eight thousand, one hundred sixteen".

Divisors: 1 2 4 17 19 34 38 68 76 179 323 358 646 716 937 1292 1874 3043 3401 3748 6086 6802 12172 13604 15929 17803 31858 35606 57817 63716 71212 115634 167723 231268 302651 335446 605302 670892 1210604 2851291 3186737 5702582 6373474 11405164 12746948 54174529 108349058 216698116