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29868978304 = 2711139152617
BaseRepresentation
bin11011110100010101…
…000111000010000000
32212002121202022101201
4123310111013002000
5442132424301204
621415511510544
72105116061254
oct336425070200
985077668351
1029868978304
1111738294540
125957088454
132a801ac579
141634ca0264
15b9c3979a4
hex6f4547080

29868978304 has 64 divisors (see below), whose sum is σ = 65381551200. Its totient is φ = 13479045120.

The previous prime is 29868978287. The next prime is 29868978317. The reversal of 29868978304 is 40387986892.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119404 + ... + 272020.

Almost surely, 229868978304 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 29868978304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32690775600).

29868978304 is an abundant number, since it is smaller than the sum of its proper divisors (35512572896).

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

29868978304 is a wasteful number, since it uses less digits than its factorization.

29868978304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152781 (or 152769 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 29868978304 in words is "twenty-nine billion, eight hundred sixty-eight million, nine hundred seventy-eight thousand, three hundred four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 139 176 278 352 556 704 1112 1408 1529 2224 3058 4448 6116 8896 12232 17792 24464 48928 97856 152617 195712 305234 610468 1220936 1678787 2441872 3357574 4883744 6715148 9767488 13430296 19534976 21213763 26860592 42427526 53721184 84855052 107442368 169710104 214884736 233351393 339420208 466702786 678840416 933405572 1357680832 1866811144 2715361664 3733622288 7467244576 14934489152 29868978304