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19091070352 = 243449345953
BaseRepresentation
bin10001110001111010…
…101001110110010000
31211021111012212011201
4101301322221312100
5303044303222402
612434215520544
71244044264144
oct216172516620
954244185151
1019091070352
1181074587a2
123849689154
131a532a5943
14cd16c3224
1576b078687
hex471ea9d90

19091070352 has 20 divisors (see below), whose sum is σ = 36999780300. Its totient is φ = 9542739968.

The previous prime is 19091070337. The next prime is 19091070367. The reversal of 19091070352 is 25307019091.

It is an interprime number because it is at equal distance from previous prime (19091070337) and next prime (19091070367).

It can be written as a sum of positive squares in 2 ways, for example, as 5846743296 + 13244327056 = 76464^2 + 115084^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 117793 + ... + 228160.

It is an arithmetic number, because the mean of its divisors is an integer number (1849989015).

Almost surely, 219091070352 is an apocalyptic number.

It is an amenable number.

19091070352 is a deficient number, since it is larger than the sum of its proper divisors (17908709948).

19091070352 is a wasteful number, since it uses less digits than its factorization.

19091070352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349410 (or 349404 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 37.

The spelling of 19091070352 in words is "nineteen billion, ninety-one million, seventy thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 3449 6898 13796 27592 55184 345953 691906 1383812 2767624 5535248 1193191897 2386383794 4772767588 9545535176 19091070352