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29260809728 = 29311843549
BaseRepresentation
bin11011010000000101…
…001000011000000000
32210112020101010221122
4123100011020120000
5434411231402403
621235304411412
72054052531113
oct332005103000
983466333848
1029260809728
1111455a67487
125807476b68
1329b41b38c7
1415b81cc57a
15b63cb4838
hex6d0148600

29260809728 has 40 divisors (see below), whose sum is σ = 60350452800. Its totient is φ = 14158448640.

The previous prime is 29260809719. The next prime is 29260809733. The reversal of 29260809728 is 82790806292.

It is a self number, because there is not a number n which added to its sum of digits gives 29260809728.

It is a congruent number.

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, 905903 + ... + 937646.

It is an arithmetic number, because the mean of its divisors is an integer number (1508761320).

Almost surely, 229260809728 is an apocalyptic number.

It is an amenable number.

29260809728 is an abundant number, since it is smaller than the sum of its proper divisors (31089643072).

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

29260809728 is an equidigital number, since it uses as much as digits as its factorization.

29260809728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843598 (or 1843582 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 29260809728 in words is "twenty-nine billion, two hundred sixty million, eight hundred nine thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 256 496 512 992 1984 3968 7936 15872 1843549 3687098 7374196 14748392 29496784 57150019 58993568 114300038 117987136 228600076 235974272 457200152 471948544 914400304 943897088 1828800608 3657601216 7315202432 14630404864 29260809728