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87308632056 = 2333637859669
BaseRepresentation
bin101000101001111111…
…1111111111111111000
322100100200121001101010
41101103333333333320
52412302002211211
6104035314553520
76210406061532
oct1212377777770
9270320531333
1087308632056
11340334a0568
1214b075988a0
13830536b879
1443236b4852
15240ee4e4a6
hex1453fffff8

87308632056 has 16 divisors (see below), whose sum is σ = 218271580200. Its totient is φ = 29102877344.

The previous prime is 87308632051. The next prime is 87308632067. The reversal of 87308632056 is 65023680378.

It is a junction number, because it is equal to n+sod(n) for n = 87308631996 and 87308632014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87308632051) 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, 1818929811 + ... + 1818929858.

Almost surely, 287308632056 is an apocalyptic number.

It is an amenable number.

87308632056 is an abundant number, since it is smaller than the sum of its proper divisors (130962948144).

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

87308632056 is a wasteful number, since it uses less digits than its factorization.

87308632056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637859678 (or 3637859674 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 87308632056 in words is "eighty-seven billion, three hundred eight million, six hundred thirty-two thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 3637859669 7275719338 10913579007 14551438676 21827158014 29102877352 43654316028 87308632056