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103221122986 = 251610561493
BaseRepresentation
bin110000000100001110…
…1010101011110101010
3100212102122202100022001
41200020131111132222
53142344101413421
6115230310521214
710312626032422
oct1401035253652
9325378670261
10103221122986
113a8596a6513
121800866620a
13996cc65887
144dd2b87482
152a41e0b691
hex18087557aa

103221122986 has 4 divisors (see below), whose sum is σ = 154831684482. Its totient is φ = 51610561492.

The previous prime is 103221122899. The next prime is 103221122989. The reversal of 103221122986 is 689221122301.

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., 92549199961 + 10671923025 = 304219^2 + 103305^2 .

It is not an unprimeable number, because it can be changed into a prime (103221122989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25805280745 + ... + 25805280748.

Almost surely, 2103221122986 is an apocalyptic number.

103221122986 is a deficient number, since it is larger than the sum of its proper divisors (51610561496).

103221122986 is an equidigital number, since it uses as much as digits as its factorization.

103221122986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51610561495.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 103221122986 in words is "one hundred three billion, two hundred twenty-one million, one hundred twenty-two thousand, nine hundred eighty-six".

Divisors: 1 2 51610561493 103221122986