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86312786108 = 22112919112663
BaseRepresentation
bin101000001100010100…
…1001001100010111100
322020210021201211112212
41100120221021202330
52403232033123413
6103352422315552
76143624401553
oct1203051114274
9266707654485
1086312786108
113367235478a
1214889b88bb8
1381a6c57403
14426b328d9a
1523a27ddca8
hex1418a498bc

86312786108 has 12 divisors (see below), whose sum is σ = 151181172240. Its totient is φ = 43118165472.

The previous prime is 86312786083. The next prime is 86312786149. The reversal of 86312786108 is 80168721368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9551816 + ... + 9560847.

It is an arithmetic number, because the mean of its divisors is an integer number (12598431020).

Almost surely, 286312786108 is an apocalyptic number.

It is an amenable number.

86312786108 is a deficient number, since it is larger than the sum of its proper divisors (64868386132).

86312786108 is a wasteful number, since it uses less digits than its factorization.

86312786108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19113796 (or 19113794 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 86312786108 in words is "eighty-six billion, three hundred twelve million, seven hundred eighty-six thousand, one hundred eight".

Divisors: 1 2 4 1129 2258 4516 19112663 38225326 76450652 21578196527 43156393054 86312786108