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32400000029 = 295310971893
BaseRepresentation
bin11110001011001100…
…001100010000011101
310002122000022112111002
4132023030030100131
51012323400000104
622515004240045
72224621312325
oct361314142035
9102560275432
1032400000029
1112816a56631
126342840025
133094680a67
1417d50a8285
15c996a001e
hex78b30c41d

32400000029 has 4 divisors (see below), whose sum is σ = 32410974876. Its totient is φ = 32389025184.

The previous prime is 32399999981. The next prime is 32400000089. The reversal of 32400000029 is 92000000423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92000000423 = 147316245333.

It can be written as a sum of positive squares in 2 ways, for example, as 21549652804 + 10850347225 = 146798^2 + 104165^2 .

It is a cyclic number.

It is not a de Polignac number, because 32400000029 - 216 = 32399934493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32400000089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5482994 + ... + 5488899.

It is an arithmetic number, because the mean of its divisors is an integer number (8102743719).

Almost surely, 232400000029 is an apocalyptic number.

It is an amenable number.

32400000029 is a deficient number, since it is larger than the sum of its proper divisors (10974847).

32400000029 is a wasteful number, since it uses less digits than its factorization.

32400000029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10974846.

The product of its (nonzero) digits is 432, while the sum is 20.

The spelling of 32400000029 in words is "thirty-two billion, four hundred million, twenty-nine", and thus it is an aban number.

Divisors: 1 2953 10971893 32400000029