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87882133053 = 31113821249517
BaseRepresentation
bin101000111011000101…
…1101110111000111101
322101211122201220211210
41101312023232320331
52414440311224203
6104212243035033
76230541543231
oct1216613567075
9271748656753
1087882133053
11342a819a330
121504766ba79
138397119b80
1443799205c1
152445485803
hex14762eee3d

87882133053 has 32 divisors (see below), whose sum is σ = 137829750912. Its totient is φ = 49104748800.

The previous prime is 87882133021. The next prime is 87882133067. The reversal of 87882133053 is 35033128878.

It is not a de Polignac number, because 87882133053 - 25 = 87882133021 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 87882132993 and 87882133011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87882133253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227451 + ... + 476967.

It is an arithmetic number, because the mean of its divisors is an integer number (4307179716).

Almost surely, 287882133053 is an apocalyptic number.

It is an amenable number.

87882133053 is a deficient number, since it is larger than the sum of its proper divisors (49947617859).

87882133053 is a wasteful number, since it uses less digits than its factorization.

87882133053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250365.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 87882133053 in words is "eighty-seven billion, eight hundred eighty-two million, one hundred thirty-three thousand, fifty-three".

Divisors: 1 3 11 13 33 39 143 429 821 2463 9031 10673 27093 32019 117403 249517 352209 748551 2744687 3243721 8234061 9731163 35680931 107042793 204853457 614560371 2253388027 2663094941 6760164081 7989284823 29294044351 87882133053