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106779039861 = 31315731695503
BaseRepresentation
bin110001101110010000…
…1101101100001110101
3101012121121121020201010
41203130201231201311
53222140413233421
6121015325222433
710500040602054
oct1433441554165
9335547536633
10106779039861
1141314a9108a
1218840101a19
13a0b90ccc30
14524d50039b
152b9e459076
hex18dc86d875

106779039861 has 32 divisors (see below), whose sum is σ = 154377072640. Its totient is φ = 65259177984.

The previous prime is 106779039859. The next prime is 106779039883. The reversal of 106779039861 is 168930977601.

It is not a de Polignac number, because 106779039861 - 21 = 106779039859 is a prime.

It is a super-2 number, since 2×1067790398612 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106779039361) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 19401036 + ... + 19406538.

It is an arithmetic number, because the mean of its divisors is an integer number (4824283520).

Almost surely, 2106779039861 is an apocalyptic number.

It is an amenable number.

106779039861 is a deficient number, since it is larger than the sum of its proper divisors (47598032779).

106779039861 is a wasteful number, since it uses less digits than its factorization.

106779039861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 106779039861 in words is "one hundred six billion, seven hundred seventy-nine million, thirty-nine thousand, eight hundred sixty-one".

Divisors: 1 3 13 39 157 471 2041 3169 5503 6123 9507 16509 41197 71539 123591 214617 497533 863971 1492599 2591913 6467929 11231623 17439007 19403787 33694869 52317021 226707091 680121273 2737924099 8213772297 35593013287 106779039861