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29408857252 = 2212917569189
BaseRepresentation
bin11011011000111001…
…111000110010100100
32210220112221201222021
4123120321320302210
5440212131413002
621302113512524
72060531106415
oct333071706244
983815851867
1029408857252
1111521595805
125848b72744
132a08a7aba8
1415cdb2980c
15b71caa737
hex6d8e78ca4

29408857252 has 12 divisors (see below), whose sum is σ = 51469574940. Its totient is φ = 14703264416.

The previous prime is 29408857217. The next prime is 29408857271. The reversal of 29408857252 is 25275880492.

It can be written as a sum of positive squares in 2 ways, for example, as 11319683236 + 18089174016 = 106394^2 + 134496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29408857252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232927 + ... + 336262.

It is an arithmetic number, because the mean of its divisors is an integer number (4289131245).

Almost surely, 229408857252 is an apocalyptic number.

It is an amenable number.

29408857252 is a deficient number, since it is larger than the sum of its proper divisors (22060717688).

29408857252 is a wasteful number, since it uses less digits than its factorization.

29408857252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582110 (or 582108 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 29408857252 in words is "twenty-nine billion, four hundred eight million, eight hundred fifty-seven thousand, two hundred fifty-two".

Divisors: 1 2 4 12917 25834 51668 569189 1138378 2276756 7352214313 14704428626 29408857252