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42105473770 = 2516325831579
BaseRepresentation
bin100111001101101011…
…101000101011101010
311000200101212200112111
4213031223220223222
51142213000130040
631202030232534
73020261423203
oct471553505352
9130611780474
1042105473770
1116947495708
1281b105574a
133c80338a29
1420760805aa
151166780dea
hex9cdae8aea

42105473770 has 16 divisors (see below), whose sum is σ = 76254824160. Its totient is φ = 16738862544.

The previous prime is 42105473743. The next prime is 42105473777. The reversal of 42105473770 is 7737450124.

It is not an unprimeable number, because it can be changed into a prime (42105473777) 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, 12914160 + ... + 12917419.

It is an arithmetic number, because the mean of its divisors is an integer number (4765926510).

Almost surely, 242105473770 is an apocalyptic number.

42105473770 is a deficient number, since it is larger than the sum of its proper divisors (34149350390).

42105473770 is a wasteful number, since it uses less digits than its factorization.

42105473770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25831749.

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 42105473770 in words is "forty-two billion, one hundred five million, four hundred seventy-three thousand, seven hundred seventy".

Divisors: 1 2 5 10 163 326 815 1630 25831579 51663158 129157895 258315790 4210547377 8421094754 21052736885 42105473770