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107913778449 = 335971259483
BaseRepresentation
bin110010010000000101…
…0011001010100010001
3101022112200210221102020
41210200022121110101
53232001411402244
6121324102442053
710540126660611
oct1444012312421
9338480727366
10107913778449
1141847572a74
1218ab8133329
13a23a224699
14531a0c2a41
152c18da2d19
hex1920299511

107913778449 has 4 divisors (see below), whose sum is σ = 143885037936. Its totient is φ = 71942518964.

The previous prime is 107913778367. The next prime is 107913778477. The reversal of 107913778449 is 944877319701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107913778449 - 216 = 107913712913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 107913778392 and 107913778401.

It is not an unprimeable number, because it can be changed into a prime (107913778549) 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 3 ways as a sum of consecutive naturals, for example, 17985629739 + ... + 17985629744.

It is an arithmetic number, because the mean of its divisors is an integer number (35971259484).

Almost surely, 2107913778449 is an apocalyptic number.

It is an amenable number.

107913778449 is a deficient number, since it is larger than the sum of its proper divisors (35971259487).

107913778449 is an equidigital number, since it uses as much as digits as its factorization.

107913778449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35971259486.

The product of its (nonzero) digits is 10668672, while the sum is 60.

The spelling of 107913778449 in words is "one hundred seven billion, nine hundred thirteen million, seven hundred seventy-eight thousand, four hundred forty-nine".

Divisors: 1 3 35971259483 107913778449