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107221127078 = 21317729232607
BaseRepresentation
bin110001111011011100…
…0001000111110100110
3101020202102110121100202
41203312320020332212
53224042102031303
6121131240510502
710514016354062
oct1436670107646
9336672417322
10107221127078
114152159281a
121894417b432
13a1598890c0
1452920dcaa2
152bc8182c88
hex18f6e08fa6

107221127078 has 16 divisors (see below), whose sum is σ = 173213873280. Its totient is φ = 49483670016.

The previous prime is 107221127051. The next prime is 107221127107. The reversal of 107221127078 is 870721122701.

It is a happy number.

It is a super-2 number, since 2×1072211270782 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344651 + ... + 577257.

It is an arithmetic number, because the mean of its divisors is an integer number (10825867080).

Almost surely, 2107221127078 is an apocalyptic number.

107221127078 is a deficient number, since it is larger than the sum of its proper divisors (65992746202).

107221127078 is a wasteful number, since it uses less digits than its factorization.

107221127078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250351.

The product of its (nonzero) digits is 21952, while the sum is 38.

Adding to 107221127078 its reverse (870721122701), we get a palindrome (977942249779).

The spelling of 107221127078 in words is "one hundred seven billion, two hundred twenty-one million, one hundred twenty-seven thousand, seventy-eight".

Divisors: 1 2 13 26 17729 35458 230477 232607 460954 465214 3023891 6047782 4123889503 8247779006 53610563539 107221127078