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87170378339 = 1113339594091
BaseRepresentation
bin101000100101111000…
…0100110101001100011
322100000001110000221002
41101023300212221203
52412011104101324
6104013455422215
76204106663502
oct1211360465143
9270001400832
1087170378339
1133a724514a0
1214a8922496b
1382b2823335
14430d1a6839
152402c403ae
hex144bc26a63

87170378339 has 8 divisors (see below), whose sum is σ = 95102247360. Its totient is φ = 79239724200.

The previous prime is 87170378329. The next prime is 87170378443. The reversal of 87170378339 is 93387307178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87170378339 - 212 = 87170374243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87170378329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150317 + ... + 443774.

It is an arithmetic number, because the mean of its divisors is an integer number (11887780920).

Almost surely, 287170378339 is an apocalyptic number.

87170378339 is a deficient number, since it is larger than the sum of its proper divisors (7931869021).

87170378339 is a wasteful number, since it uses less digits than its factorization.

87170378339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607441.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 87170378339 in words is "eighty-seven billion, one hundred seventy million, three hundred seventy-eight thousand, three hundred thirty-nine".

Divisors: 1 11 13339 146729 594091 6535001 7924579849 87170378339