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42015000234 = 23177913993727
BaseRepresentation
bin100111001000010010…
…100000011010101010
311000110002122011011210
4213020102200122222
51142021320001414
631145035133550
73015112416024
oct471022403252
9130402564153
1042015000234
1116900410599
1281868a42b6
133c6767c3ac
14206804d014
15115d85de59
hex9c84a06aa

42015000234 has 64 divisors (see below), whose sum is σ = 90187776000. Its totient is φ = 13001534208.

The previous prime is 42015000233. The next prime is 42015000253. The reversal of 42015000234 is 43200051024.

It is a self number, because there is not a number n which added to its sum of digits gives 42015000234.

It is not an unprimeable number, because it can be changed into a prime (42015000233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11271279 + ... + 11275005.

It is an arithmetic number, because the mean of its divisors is an integer number (1409184000).

Almost surely, 242015000234 is an apocalyptic number.

42015000234 is an abundant number, since it is smaller than the sum of its proper divisors (48172775766).

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

42015000234 is a wasteful number, since it uses less digits than its factorization.

42015000234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 42015000234 its reverse (43200051024), we get a palindrome (85215051258).

The spelling of 42015000234 in words is "forty-two billion, fifteen million, two hundred thirty-four", and thus it is an aban number.

Divisors: 1 2 3 6 17 34 51 79 102 158 237 474 1343 1399 2686 2798 3727 4029 4197 7454 8058 8394 11181 22362 23783 47566 63359 71349 110521 126718 142698 190077 221042 294433 331563 380154 588866 663126 883299 1766598 1878857 3757714 5005361 5214073 5636571 10010722 10428146 11273142 15016083 15642219 30032166 31284438 88639241 177278482 265917723 411911767 531835446 823823534 1235735301 2471470602 7002500039 14005000078 21007500117 42015000234