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29471696409792 = 26371317233425851
BaseRepresentation
bin1101011001101111010011…
…11111101101010011000000
310212100110121012021200121210
412230313221333231103000
512330331013240103132
6142403035503450120
76131155053101040
oct654675177552300
9125313535250553
1029471696409792
11943297033039a
12337b98b5b6940
13135a227519780
1473c61b14b720
1536195e461bcc
hex1acde9fed4c0

29471696409792 has 448 divisors, whose sum is σ = 102053707951104. Its totient is φ = 7284119961600.

The previous prime is 29471696409781. The next prime is 29471696409863. The reversal of 29471696409792 is 29790469617492.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68993667 + ... + 69419517.

It is an arithmetic number, because the mean of its divisors is an integer number (227798455248).

Almost surely, 229471696409792 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 29471696409792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51026853975552).

29471696409792 is an abundant number, since it is smaller than the sum of its proper divisors (72582011541312).

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

29471696409792 is a wasteful number, since it uses less digits than its factorization.

29471696409792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426136 (or 426126 counting only the distinct ones).

The product of its (nonzero) digits is 740710656, while the sum is 75.

The spelling of 29471696409792 in words is "twenty-nine trillion, four hundred seventy-one billion, six hundred ninety-six million, four hundred nine thousand, seven hundred ninety-two".