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107743129642 = 253871564821
BaseRepresentation
bin110010001010111111…
…1011011000000101010
3101022002210201002021001
41210111333123000222
53231124220122032
6121255125105214
710532655330331
oct1442577330052
9338083632231
10107743129642
114176a207aa5
1218a6ab5820a
13a210a75c65
145301580d18
152c08de53e7
hex1915fdb02a

107743129642 has 4 divisors (see below), whose sum is σ = 161614694466. Its totient is φ = 53871564820.

The previous prime is 107743129633. The next prime is 107743129643. The reversal of 107743129642 is 246921347701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105736179241 + 2006950401 = 325171^2 + 44799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 107743129592 and 107743129601.

It is not an unprimeable number, because it can be changed into a prime (107743129643) 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 as a sum of consecutive naturals, namely, 26935782409 + ... + 26935782412.

Almost surely, 2107743129642 is an apocalyptic number.

107743129642 is a deficient number, since it is larger than the sum of its proper divisors (53871564824).

107743129642 is an equidigital number, since it uses as much as digits as its factorization.

107743129642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53871564823.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 107743129642 in words is "one hundred seven billion, seven hundred forty-three million, one hundred twenty-nine thousand, six hundred forty-two".

Divisors: 1 2 53871564821 107743129642