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216208102 = 21112777383
BaseRepresentation
bin11001110001100…
…01001011100110
3120001211111202111
430320301023212
5420322124402
633242031234
75233511215
oct1470611346
9501744674
10216208102
11101053390
12604a851a
1335a407b6
1420a0107c
1513eab9d7
hexce312e6

216208102 has 16 divisors (see below), whose sum is σ = 356585472. Its totient is φ = 97501320.

The previous prime is 216208099. The next prime is 216208117. The reversal of 216208102 is 201802612.

216208102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35898 + ... + 41485.

It is an arithmetic number, because the mean of its divisors is an integer number (22286592).

Almost surely, 2216208102 is an apocalyptic number.

216208102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

216208102 is a deficient number, since it is larger than the sum of its proper divisors (140377370).

216208102 is a wasteful number, since it uses less digits than its factorization.

216208102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77523.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 216208102 is about 14704.0165261061. The cubic root of 216208102 is about 600.1926251896.

The spelling of 216208102 in words is "two hundred sixteen million, two hundred eight thousand, one hundred two".

Divisors: 1 2 11 22 127 254 1397 2794 77383 154766 851213 1702426 9827641 19655282 108104051 216208102