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87200413239 = 329066804413
BaseRepresentation
bin101000100110110001…
…1001011011000110111
322100002010221222001210
41101031203023120313
52412041301210424
6104020451252503
76204623166012
oct1211543133067
9270063858053
1087200413239
1133a883a6125
1214a972aa133
1382b8b0b174
144313184379
1524056c4729
hex144d8cb637

87200413239 has 4 divisors (see below), whose sum is σ = 116267217656. Its totient is φ = 58133608824.

The previous prime is 87200413217. The next prime is 87200413271. The reversal of 87200413239 is 93231400278.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 87200413239 - 212 = 87200409143 is a prime.

It is a super-2 number, since 2×872004132392 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87200413197 and 87200413206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87200413439) 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 3 ways as a sum of consecutive naturals, for example, 14533402204 + ... + 14533402209.

It is an arithmetic number, because the mean of its divisors is an integer number (29066804414).

Almost surely, 287200413239 is an apocalyptic number.

87200413239 is a deficient number, since it is larger than the sum of its proper divisors (29066804417).

87200413239 is a wasteful number, since it uses less digits than its factorization.

87200413239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29066804416.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 87200413239 in words is "eighty-seven billion, two hundred million, four hundred thirteen thousand, two hundred thirty-nine".

Divisors: 1 3 29066804413 87200413239