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1020220222109 = 11537643228961
BaseRepresentation
bin11101101100010011101…
…11010010101010011101
310121112100220100010200012
432312021313102222131
5113203402334101414
62100403244013005
7133465002542624
oct16661167225235
93545326303605
101020220222109
1136374479a060
12145885831165
137528b48acca
1437543a966bb
151b8119d333e
hexed89dd2a9d

1020220222109 has 16 divisors (see below), whose sum is σ = 1134120222144. Its totient is φ = 909850406400.

The previous prime is 1020220222079. The next prime is 1020220222121. The reversal of 1020220222109 is 9012220220201.

It is not a de Polignac number, because 1020220222109 - 224 = 1020203444893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020220222159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4341389 + ... + 4570349.

It is an arithmetic number, because the mean of its divisors is an integer number (70882513884).

Almost surely, 21020220222109 is an apocalyptic number.

It is an amenable number.

1020220222109 is a deficient number, since it is larger than the sum of its proper divisors (113900000035).

1020220222109 is a wasteful number, since it uses less digits than its factorization.

1020220222109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236668.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 1020220222109 in words is "one trillion, twenty billion, two hundred twenty million, two hundred twenty-two thousand, one hundred nine".

Divisors: 1 11 53 583 7643 84073 228961 405079 2518571 4455869 12134933 133484263 1749948923 19249438153 92747292919 1020220222109