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129992336386 = 21135571661159
BaseRepresentation
bin111100100010000100…
…1011010010000000010
3110102112101111220010021
41321010021122100002
54112211014231021
6135415002524054
712251221425313
oct1710411322002
9412471456107
10129992336386
1150147315370
122123a20662a
13c348420553
14641247260a
1535ac34cc41
hex1e4425a402

129992336386 has 16 divisors (see below), whose sum is σ = 212774662080. Its totient is φ = 59070778480.

The previous prime is 129992336381. The next prime is 129992336407. The reversal of 129992336386 is 683633299921.

It is not an unprimeable number, because it can be changed into a prime (129992336381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752326 + ... + 908833.

It is an arithmetic number, because the mean of its divisors is an integer number (13298416380).

Almost surely, 2129992336386 is an apocalyptic number.

129992336386 is a deficient number, since it is larger than the sum of its proper divisors (82782325694).

129992336386 is a wasteful number, since it uses less digits than its factorization.

129992336386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664729.

The product of its digits is 22674816, while the sum is 61.

The spelling of 129992336386 in words is "one hundred twenty-nine billion, nine hundred ninety-two million, three hundred thirty-six thousand, three hundred eighty-six".

Divisors: 1 2 11 22 3557 7114 39127 78254 1661159 3322318 18272749 36545498 5908742563 11817485126 64996168193 129992336386