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199180102 = 211371791367
BaseRepresentation
bin10111101111100…
…11111101000110
3111212210101201211
423313303331012
5401442230402
631433042034
74636001002
oct1367637506
9455711654
10199180102
11a2482a60
125685631a
133235b064
141c64b702
15127464d7
hexbdf3f46

199180102 has 32 divisors (see below), whose sum is σ = 336856320. Its totient is φ = 87533280.

The previous prime is 199180087. The next prime is 199180103. The reversal of 199180102 is 201081991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199180103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145023 + ... + 146389.

It is an arithmetic number, because the mean of its divisors is an integer number (10526760).

Almost surely, 2199180102 is an apocalyptic number.

199180102 is a deficient number, since it is larger than the sum of its proper divisors (137676218).

199180102 is a wasteful number, since it uses less digits than its factorization.

199180102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 199180102 is about 14113.1180821249. The cubic root of 199180102 is about 584.0033210388.

The spelling of 199180102 in words is "one hundred ninety-nine million, one hundred eighty thousand, one hundred two".

Divisors: 1 2 11 22 37 74 179 358 407 814 1367 1969 2734 3938 6623 13246 15037 30074 50579 72853 101158 145706 244693 489386 556369 1112738 2691623 5383246 9053641 18107282 99590051 199180102