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29056858488 = 2334727112889
BaseRepresentation
bin11011000011111011…
…000111100101111000
32210000000121100110000
4123003323013211320
5434002023432423
621203141153000
72046025136100
oct330373074570
983000540400
1029056858488
1111360925939
12576b0bb760
132980b74cb8
14159909c200
15b50e29843
hex6c3ec7978

29056858488 has 240 divisors, whose sum is σ = 96014516400. Its totient is φ = 8184395520.

The previous prime is 29056858483. The next prime is 29056858511. The reversal of 29056858488 is 88485865092.

29056858488 is a `hidden beast` number, since 2 + 90 + 5 + 68 + 5 + 8 + 488 = 666.

It is a super-2 number, since 2×290568584882 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29056858483) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2247948 + ... + 2260836.

It is an arithmetic number, because the mean of its divisors is an integer number (400060485).

Almost surely, 229056858488 is an apocalyptic number.

29056858488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29056858488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48007258200).

29056858488 is an abundant number, since it is smaller than the sum of its proper divisors (66957657912).

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

29056858488 is a wasteful number, since it uses less digits than its factorization.

29056858488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12992 (or 12972 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 63.

The spelling of 29056858488 in words is "twenty-nine billion, fifty-six million, eight hundred fifty-eight thousand, four hundred eighty-eight".