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1020213146 = 217103317919
BaseRepresentation
bin111100110011110…
…011011110011010
32122002201012100002
4330303303132122
54042133310041
6245122413002
734165445231
oct7463633632
92562635302
101020213146
1148397a267
12245801162
13133496624
14996cdb18
155e87559b
hex3ccf379a

1020213146 has 32 divisors (see below), whose sum is σ = 1643016960. Its totient is φ = 473423616.

The previous prime is 1020213143. The next prime is 1020213167. The reversal of 1020213146 is 6413120201.

It is not an unprimeable number, because it can be changed into a prime (1020213143) 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 in 15 ways as a sum of consecutive naturals, for example, 1109675 + ... + 1110593.

It is an arithmetic number, because the mean of its divisors is an integer number (51344280).

Almost surely, 21020213146 is an apocalyptic number.

1020213146 is a deficient number, since it is larger than the sum of its proper divisors (622803814).

1020213146 is a wasteful number, since it uses less digits than its factorization.

1020213146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1020213146 is about 31940.7756011027. The cubic root of 1020213146 is about 1006.6928215407.

Adding to 1020213146 its reverse (6413120201), we get a palindrome (7433333347).

The spelling of 1020213146 in words is "one billion, twenty million, two hundred thirteen thousand, one hundred forty-six".

Divisors: 1 2 17 34 103 206 317 634 919 1751 1838 3502 5389 10778 15623 31246 32651 65302 94657 189314 291323 555067 582646 1110134 1609169 3218338 4952491 9904982 30006269 60012538 510106573 1020213146