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29145651884 = 22169319992153
BaseRepresentation
bin11011001001001101…
…110101101010101100
32210020012200112002022
4123021031311222230
5434142241330014
621220032245312
72051153645006
oct331115655254
983205615068
1029145651884
11113a6a62708
1257949a0838
13299639397b
1415a6bb3376
15b58b18a8e
hex6c9375aac

29145651884 has 24 divisors (see below), whose sum is σ = 51084264000. Its totient is φ = 14550171264.

The previous prime is 29145651883. The next prime is 29145651893. The reversal of 29145651884 is 48815654192.

It is not an unprimeable number, because it can be changed into a prime (29145651883) 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, 13536152 + ... + 13538304.

It is an arithmetic number, because the mean of its divisors is an integer number (2128511000).

Almost surely, 229145651884 is an apocalyptic number.

It is an amenable number.

29145651884 is a deficient number, since it is larger than the sum of its proper divisors (21938612116).

29145651884 is a wasteful number, since it uses less digits than its factorization.

29145651884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849 (or 5847 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 53.

The spelling of 29145651884 in words is "twenty-nine billion, one hundred forty-five million, six hundred fifty-one thousand, eight hundred eighty-four".

Divisors: 1 2 4 1693 1999 2153 3386 3998 4306 6772 7996 8612 3384307 3645029 4303847 6768614 7290058 8607694 13537228 14580116 17215388 7286412971 14572825942 29145651884