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87127610345 = 561312842199
BaseRepresentation
bin101000100100100110…
…1011101001111101001
322022220001222012021022
41101021031131033221
52411414132012340
6104005331022225
76203050316456
oct1211115351751
9268801865238
1087127610345
1133a502a0246
1214a76a3a975
1382a69ca929
14430763282d
1523ee0e33b5
hex144935d3e9

87127610345 has 8 divisors (see below), whose sum is σ = 104570222400. Its totient is φ = 69690694960.

The previous prime is 87127610329. The next prime is 87127610377. The reversal of 87127610345 is 54301672178.

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

It is not a de Polignac number, because 87127610345 - 24 = 87127610329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87127610296 and 87127610305.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1390445 + ... + 1451754.

It is an arithmetic number, because the mean of its divisors is an integer number (13071277800).

Almost surely, 287127610345 is an apocalyptic number.

It is an amenable number.

87127610345 is a deficient number, since it is larger than the sum of its proper divisors (17442612055).

87127610345 is a wasteful number, since it uses less digits than its factorization.

87127610345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848335.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 87127610345 in words is "eighty-seven billion, one hundred twenty-seven million, six hundred ten thousand, three hundred forty-five".

Divisors: 1 5 6131 30655 2842199 14210995 17425522069 87127610345