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29018600286 = 2313257150119
BaseRepresentation
bin11011000001101001…
…001011001101011110
32202220100121122001120
4123001221023031132
5433412230202121
621155253151410
72045052014124
oct330151131536
982810548046
1029018600286
1111341274995
12575a32b566
132975c6b200
141593d7d914
15b4c8bdbc6
hex6c1a4b35e

29018600286 has 48 divisors (see below), whose sum is σ = 62956333440. Its totient is φ = 8912985120.

The previous prime is 29018600207. The next prime is 29018600327. The reversal of 29018600286 is 68200681092.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 553935 + ... + 604053.

It is an arithmetic number, because the mean of its divisors is an integer number (1311590280).

Almost surely, 229018600286 is an apocalyptic number.

29018600286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 29018600286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31478166720).

29018600286 is an abundant number, since it is smaller than the sum of its proper divisors (33937733154).

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

29018600286 is a wasteful number, since it uses less digits than its factorization.

29018600286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50721 (or 50708 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 29018600286 in words is "twenty-nine billion, eighteen million, six hundred thousand, two hundred eighty-six".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 571 1014 1142 1713 3426 7423 14846 22269 44538 50119 96499 100238 150357 192998 289497 300714 578994 651547 1303094 1954641 3909282 8470111 16940222 25410333 28617949 50820666 57235898 85853847 171707694 372033337 744066674 1116100011 2232200022 4836433381 9672866762 14509300143 29018600286