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29411189216640 = 2735572111720639
BaseRepresentation
bin1101010111111110100110…
…11111000101010110000000
310212010200102100022210200000
412223333103133011112000
512323333103414413030
6142315151440400000
76123613454330100
oct653772337052600
9125120370283600
1029411189216640
11940a240623640
123370103916000
1313546039893ba
1473971b18d200
153600bc424860
hex1abfd37c5580

29411189216640 has 2304 divisors, whose sum is σ = 141524332185600. Its totient is φ = 5751642193920.

The previous prime is 29411189216627. The next prime is 29411189216641. The reversal of 29411189216640 is 4661298111492.

29411189216640 is a `hidden beast` number, since 2 + 9 + 411 + 1 + 8 + 9 + 216 + 6 + 4 + 0 = 666.

It is a super-3 number, since 3×294111892166403 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29411189216641) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1425019441 + ... + 1425040079.

It is an arithmetic number, because the mean of its divisors is an integer number (61425491400).

Almost surely, 229411189216640 is an apocalyptic number.

29411189216640 is a gapful number since it is divisible by the number (20) 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 29411189216640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70762166092800).

29411189216640 is an abundant number, since it is smaller than the sum of its proper divisors (112113142968960).

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

29411189216640 is a wasteful number, since it uses less digits than its factorization.

29411189216640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20715 (or 20684 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 29411189216640 in words is "twenty-nine trillion, four hundred eleven billion, one hundred eighty-nine million, two hundred sixteen thousand, six hundred forty".