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19143346702 = 217235555237
BaseRepresentation
bin10001110101000010…
…000100101000001110
31211102010120202211211
4101311002010220032
5303201144043302
612443324205034
71245250522264
oct216502045016
954363522754
1019143346702
118133a13797
12386309977a
131a6107a1ac
14cd8610434
15770952ad7
hex475084a0e

19143346702 has 8 divisors (see below), whose sum is σ = 28731690936. Its totient is φ = 9566116392.

The previous prime is 19143346693. The next prime is 19143346727. The reversal of 19143346702 is 20764334191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2774173 + ... + 2781064.

It is an arithmetic number, because the mean of its divisors is an integer number (3591461367).

Almost surely, 219143346702 is an apocalyptic number.

19143346702 is a deficient number, since it is larger than the sum of its proper divisors (9588344234).

19143346702 is a wasteful number, since it uses less digits than its factorization.

19143346702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556962.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 19143346702 in words is "nineteen billion, one hundred forty-three million, three hundred forty-six thousand, seven hundred two".

Divisors: 1 2 1723 3446 5555237 11110474 9571673351 19143346702