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29840223451 = 611074571813
BaseRepresentation
bin11011110010100111…
…011010110011011011
32212000121122102011011
4123302213122303123
5442103044122301
621413003314351
72104316500003
oct336247326333
985017572134
1029840223451
11117230345a5
12594951b9b7
132a7725226c
141631137003
15b99ab7a51
hex6f29dacdb

29840223451 has 8 divisors (see below), whose sum is σ = 30612866544. Its totient is φ = 29076724320.

The previous prime is 29840223431. The next prime is 29840223473. The reversal of 29840223451 is 15432204892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29840223451 - 211 = 29840221403 is a prime.

It is a super-2 number, since 2×298402234512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29840223431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2279380 + ... + 2292433.

It is an arithmetic number, because the mean of its divisors is an integer number (3826608318).

Almost surely, 229840223451 is an apocalyptic number.

29840223451 is a deficient number, since it is larger than the sum of its proper divisors (772643093).

29840223451 is a wasteful number, since it uses less digits than its factorization.

29840223451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571981.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 29840223451 in words is "twenty-nine billion, eight hundred forty million, two hundred twenty-three thousand, four hundred fifty-one".

Divisors: 1 61 107 6527 4571813 278880593 489183991 29840223451