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29668921184 = 257413230501
BaseRepresentation
bin11011101000011001…
…111100111101100000
32211120200022100121202
4123220121330331200
5441230220434214
621344003540332
72100136445330
oct335031747540
984520270552
1029668921184
1111645372681
12590008a6a8
132a4a905286
1416164a50c0
15b89a2b6de
hex6e867cf60

29668921184 has 48 divisors (see below), whose sum is σ = 68383266336. Its totient is φ = 12405120000.

The previous prime is 29668921171. The next prime is 29668921187. The reversal of 29668921184 is 48112986692.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29668921187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606067 + ... + 1624434.

It is an arithmetic number, because the mean of its divisors is an integer number (1424651382).

Almost surely, 229668921184 is an apocalyptic number.

It is an amenable number.

29668921184 is an abundant number, since it is smaller than the sum of its proper divisors (38714345152).

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

29668921184 is a wasteful number, since it uses less digits than its factorization.

29668921184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230559 (or 3230551 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 56.

The spelling of 29668921184 in words is "twenty-nine billion, six hundred sixty-eight million, nine hundred twenty-one thousand, one hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 41 56 82 112 164 224 287 328 574 656 1148 1312 2296 4592 9184 3230501 6461002 12922004 22613507 25844008 45227014 51688016 90454028 103376032 132450541 180908056 264901082 361816112 529802164 723632224 927153787 1059604328 1854307574 2119208656 3708615148 4238417312 7417230296 14834460592 29668921184