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42861187043 = 292213667859
BaseRepresentation
bin100111111010101110…
…011100111111100011
311002122001212220020222
4213322232130333203
51200234430441133
631405023553255
73045066035663
oct477256347743
9132561786228
1042861187043
11171a5028234
12838215b82b
134070a83b4c
14210859c1a3
1511accaae98
hex9fab9cfe3

42861187043 has 8 divisors (see below), whose sum is σ = 44359261200. Its totient is φ = 41364453088.

The previous prime is 42861187027. The next prime is 42861187081. The reversal of 42861187043 is 34078116824.

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

It is a cyclic number.

It is not a de Polignac number, because 42861187043 - 24 = 42861187027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42861186985 and 42861187003.

It is not an unprimeable number, because it can be changed into a prime (42861187093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269753 + ... + 398106.

It is an arithmetic number, because the mean of its divisors is an integer number (5544907650).

Almost surely, 242861187043 is an apocalyptic number.

42861187043 is a deficient number, since it is larger than the sum of its proper divisors (1498074157).

42861187043 is a wasteful number, since it uses less digits than its factorization.

42861187043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670101.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 42861187043 in words is "forty-two billion, eight hundred sixty-one million, one hundred eighty-seven thousand, forty-three".

Divisors: 1 29 2213 64177 667859 19367911 1477971967 42861187043