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32778058012 = 2271961612891
BaseRepresentation
bin11110100001101110…
…010111100100011100
310010121100200212112121
4132201232113210130
51014112140324022
623020311312324
72240161616230
oct364156274434
9103540625477
1032778058012
11129a03a5147
12642937b6a4
133124aabccb
14182d39a5c0
15cbc97c2c7
hex7a1b9791c

32778058012 has 24 divisors (see below), whose sum is σ = 69006439040. Its totient is φ = 13308384240.

The previous prime is 32778057913. The next prime is 32778058039. The reversal of 32778058012 is 21085087723.

It is a self number, because there is not a number n which added to its sum of digits gives 32778058012.

It is a congruent number.

It is an unprimeable number.

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, 30805914 + ... + 30806977.

Almost surely, 232778058012 is an apocalyptic number.

It is an amenable number.

32778058012 is an abundant number, since it is smaller than the sum of its proper divisors (36228381028).

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

32778058012 is a wasteful number, since it uses less digits than its factorization.

32778058012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61612921 (or 61612919 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 32778058012 in words is "thirty-two billion, seven hundred seventy-eight million, fifty-eight thousand, twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 61612891 123225782 246451564 431290237 862580474 1170644929 1725160948 2341289858 4682579716 8194514503 16389029006 32778058012