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86906739670 = 25192074322051
BaseRepresentation
bin101000011110000001…
…0111001101111010110
322022022200100210122221
41100330002321233112
52410441111132140
6103531401012554
76164426045602
oct1207402715726
9268280323587
1086906739670
11339476528a3
1214a14a8415a
138270016b1a
1442c617a502
1523d9a1514a
hex143c0b9bd6

86906739670 has 32 divisors (see below), whose sum is σ = 164680807680. Its totient is φ = 32929999200.

The previous prime is 86906739653. The next prime is 86906739691. The reversal of 86906739670 is 7693760968.

It is a junction number, because it is equal to n+sod(n) for n = 86906739599 and 86906739608.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3930145 + ... + 3952195.

It is an arithmetic number, because the mean of its divisors is an integer number (5146275240).

Almost surely, 286906739670 is an apocalyptic number.

86906739670 is a deficient number, since it is larger than the sum of its proper divisors (77774068010).

86906739670 is a wasteful number, since it uses less digits than its factorization.

86906739670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42820.

The product of its (nonzero) digits is 20575296, while the sum is 61.

The spelling of 86906739670 in words is "eighty-six billion, nine hundred six million, seven hundred thirty-nine thousand, six hundred seventy".

Divisors: 1 2 5 10 19 38 95 190 20743 22051 41486 44102 103715 110255 207430 220510 394117 418969 788234 837938 1970585 2094845 3941170 4189690 457403893 914807786 2287019465 4574038930 8690673967 17381347934 43453369835 86906739670