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86680923983 = 1672931771493
BaseRepresentation
bin101000010111010010…
…1011110111101001111
322021201221110011202222
41100232211132331033
52410010304031413
6103453133005555
76156014461043
oct1205645367517
9267657404688
1086680923983
1133841138165
12149713238bb
1382352c1284
1442a4198023
1523c4cabb08
hex142e95ef4f

86680923983 has 8 divisors (see below), whose sum is σ = 87497631648. Its totient is φ = 85867760224.

The previous prime is 86680923949. The next prime is 86680923997. The reversal of 86680923983 is 38932908668.

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 86680923983 - 216 = 86680858447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86680923913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836816 + ... + 934677.

It is an arithmetic number, because the mean of its divisors is an integer number (10937203956).

Almost surely, 286680923983 is an apocalyptic number.

86680923983 is a deficient number, since it is larger than the sum of its proper divisors (816707665).

86680923983 is a wasteful number, since it uses less digits than its factorization.

86680923983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771953.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 86680923983 in words is "eighty-six billion, six hundred eighty million, nine hundred twenty-three thousand, nine hundred eighty-three".

Divisors: 1 167 293 48931 1771493 295839331 519047449 86680923983