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19059136943 = 7112335691867
BaseRepresentation
bin10001110000000000…
…110101100110101111
31211012021010110202212
4101300000311212233
5303013114340233
612431115241035
71243205663630
oct216000654657
954167113685
1019059136943
1180a0427750
12383aa4917b
131a497a4932
14ccb36d887
1576836ba48
hex4700359af

19059136943 has 32 divisors (see below), whose sum is σ = 23918768640. Its totient is φ = 14753640960.

The previous prime is 19059136937. The next prime is 19059136969. The reversal of 19059136943 is 34963195091.

It is a cyclic number.

It is not a de Polignac number, because 19059136943 - 28 = 19059136687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19059136891 and 19059136900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19059136973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10207496 + ... + 10209362.

It is an arithmetic number, because the mean of its divisors is an integer number (747461520).

Almost surely, 219059136943 is an apocalyptic number.

19059136943 is a deficient number, since it is larger than the sum of its proper divisors (4859631697).

19059136943 is a wasteful number, since it uses less digits than its factorization.

19059136943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 787320, while the sum is 50.

The spelling of 19059136943 in words is "nineteen billion, fifty-nine million, one hundred thirty-six thousand, nine hundred forty-three".

Divisors: 1 7 11 77 233 569 1631 1867 2563 3983 6259 13069 17941 20537 43813 132577 143759 435011 928039 1062323 1458347 3045077 4785121 7436261 10208429 11685553 33495847 81798871 247521259 1732648813 2722733849 19059136943