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199113370 = 25121716361
BaseRepresentation
bin10111101111000…
…11101010011010
3111212200000012021
423313203222122
5401433111440
631431405054
74635302311
oct1367435232
9455600167
10199113370
11a2437905
125682378a
1332336881
141c631278
151273184a
hexbde3a9a

199113370 has 16 divisors (see below), whose sum is σ = 358720488. Its totient is φ = 79575040.

The previous prime is 199113329. The next prime is 199113373. The reversal of 199113370 is 73311991.

It can be written as a sum of positive squares in 4 ways, for example, as 134165889 + 64947481 = 11583^2 + 8059^2 .

It is a super-2 number, since 2×1991133702 = 79292268225513800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199113373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3990 + ... + 20350.

Almost surely, 2199113370 is an apocalyptic number.

199113370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199113370 is a deficient number, since it is larger than the sum of its proper divisors (159607118).

199113370 is a wasteful number, since it uses less digits than its factorization.

199113370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17585.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 199113370 is about 14110.7537006356. The cubic root of 199113370 is about 583.9380935348.

It can be divided in two parts, 199 and 113370, that added together give a square (113569 = 3372).

The spelling of 199113370 in words is "one hundred ninety-nine million, one hundred thirteen thousand, three hundred seventy".

Divisors: 1 2 5 10 1217 2434 6085 12170 16361 32722 81805 163610 19911337 39822674 99556685 199113370