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42850471024856 = 231110919013234961
BaseRepresentation
bin10011011111000111001110…
…00110101001100011011000
312121201110120000001022112002
421233203213012221203120
521104030231040243411
6231045122402540132
712011562422013635
oct1157434706514330
9177643500038462
1042850471024856
1112720867869640
124980860067648
131abaa222c6941
14a81d8c3d318c
154e498bdc433b
hex26f8e71a98d8

42850471024856 has 64 divisors (see below), whose sum is σ = 88457835866400. Its totient is φ = 19297697126400.

The previous prime is 42850471024853. The next prime is 42850471024891. The reversal of 42850471024856 is 65842017405824.

It is a happy number.

It is a super-2 number, since 2×428504710248562 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42850471024853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182255216 + ... + 182490176.

Almost surely, 242850471024856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42850471024856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44228917933200).

42850471024856 is an abundant number, since it is smaller than the sum of its proper divisors (45607364841544).

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

42850471024856 is a wasteful number, since it uses less digits than its factorization.

42850471024856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254100 (or 254096 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 56.

The spelling of 42850471024856 in words is "forty-two trillion, eight hundred fifty billion, four hundred seventy-one million, twenty-four thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 109 218 436 872 1199 2398 4796 9592 19013 38026 76052 152104 209143 234961 418286 469922 836572 939844 1673144 1879688 2072417 2584571 4144834 5169142 8289668 10338284 16579336 20676568 22796587 25610749 45593174 51221498 91186348 102442996 182372696 204885992 281718239 563436478 1126872956 2253745912 4467313493 8934626986 17869253972 35738507944 49140448423 98280896846 196561793692 393123587384 486937170737 973874341474 1947748682948 3895497365896 5356308878107 10712617756214 21425235512428 42850471024856