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42793879568 = 2411317843453
BaseRepresentation
bin100111110110101101…
…101100100000010000
311002110101020022202112
4213312231230200100
51200120213121233
631354221204452
73043320655166
oct476655544020
9132411208675
1042793879568
1117170036120
128363700728
13405cb48a3b
1420dd67b236
1511a6e13048
hex9f6b6c810

42793879568 has 40 divisors (see below), whose sum is σ = 93368476416. Its totient is φ = 18824284800.

The previous prime is 42793879567. The next prime is 42793879571. The reversal of 42793879568 is 86597839724.

It is a happy number.

It is a super-2 number, since 2×427938795682 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42793879498 and 42793879507.

It is not an unprimeable number, because it can be changed into a prime (42793879567) 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, 3916271 + ... + 3927182.

Almost surely, 242793879568 is an apocalyptic number.

It is an amenable number.

42793879568 is an abundant number, since it is smaller than the sum of its proper divisors (50574596848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42793879568 is a wasteful number, since it uses less digits than its factorization.

42793879568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7843503 (or 7843497 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 68.

The spelling of 42793879568 in words is "forty-two billion, seven hundred ninety-three million, eight hundred seventy-nine thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 31 44 62 88 124 176 248 341 496 682 1364 2728 5456 7843453 15686906 31373812 62747624 86277983 125495248 172555966 243147043 345111932 486294086 690223864 972588172 1380447728 1945176344 2674617473 3890352688 5349234946 10698469892 21396939784 42793879568