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8419923745 = 515711071919
BaseRepresentation
bin1111101011101110…
…11101011100100001
3210201210120102222121
413311313131130201
5114221000024440
63511300104241
7415440112432
oct76567353441
923653512877
108419923745
113630911372
12176b995081
13a4253c1cc
1459c377489
153442e734a
hex1f5ddd721

8419923745 has 8 divisors (see below), whose sum is σ = 10110349440. Its totient is φ = 6731645040.

The previous prime is 8419923719. The next prime is 8419923751. The reversal of 8419923745 is 5473299148.

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

It is not a de Polignac number, because 8419923745 - 29 = 8419923233 is a prime.

It is a super-2 number, since 2×84199237452 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8419923692 and 8419923701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528105 + ... + 543814.

It is an arithmetic number, because the mean of its divisors is an integer number (1263793680).

Almost surely, 28419923745 is an apocalyptic number.

It is an amenable number.

8419923745 is a deficient number, since it is larger than the sum of its proper divisors (1690425695).

8419923745 is a wasteful number, since it uses less digits than its factorization.

8419923745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073495.

The product of its digits is 2177280, while the sum is 52.

The square root of 8419923745 is about 91760.1424639260. The cubic root of 8419923745 is about 2034.3986209639.

The spelling of 8419923745 in words is "eight billion, four hundred nineteen million, nine hundred twenty-three thousand, seven hundred forty-five".

Divisors: 1 5 1571 7855 1071919 5359595 1683984749 8419923745