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42171292630 = 254399606217
BaseRepresentation
bin100111010001100110…
…101101101111010110
311000211222201122001001
4213101212231233112
51142331322331010
631212341053514
73022021034005
oct472146555726
9130758648031
1042171292630
1116980660365
12820b0b729a
133c90b723bc
142080ad4c3c
15116c432c3a
hex9d19adbd6

42171292630 has 16 divisors (see below), whose sum is σ = 76081246560. Its totient is φ = 16830090432.

The previous prime is 42171292619. The next prime is 42171292733. The reversal of 42171292630 is 3629217124.

It is a self number, because there is not a number n which added to its sum of digits gives 42171292630.

It is a congruent number.

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, 4798719 + ... + 4807498.

It is an arithmetic number, because the mean of its divisors is an integer number (4755077910).

Almost surely, 242171292630 is an apocalyptic number.

42171292630 is a deficient number, since it is larger than the sum of its proper divisors (33909953930).

42171292630 is a wasteful number, since it uses less digits than its factorization.

42171292630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9606663.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 42171292630 in words is "forty-two billion, one hundred seventy-one million, two hundred ninety-two thousand, six hundred thirty".

Divisors: 1 2 5 10 439 878 2195 4390 9606217 19212434 48031085 96062170 4217129263 8434258526 21085646315 42171292630