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1020226151 = 71731347797
BaseRepresentation
bin111100110011110…
…110101001100111
32122002201212011202
4330303312221213
54042134214101
6245122553115
734165531160
oct7463665147
92562655152
101020226151
1148398900a
1224580879b
1313349c519
14996d4767
155e87936b
hex3ccf6a67

1020226151 has 32 divisors (see below), whose sum is σ = 1279660032. Its totient is φ = 793198080.

The previous prime is 1020226139. The next prime is 1020226169. The reversal of 1020226151 is 1516220201.

It is a cyclic number.

It is not a de Polignac number, because 1020226151 - 218 = 1019964007 is a prime.

It is a super-2 number, since 2×10202261512 = 2081722798368549602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020226121) 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 31 ways as a sum of consecutive naturals, for example, 1279685 + ... + 1280481.

It is an arithmetic number, because the mean of its divisors is an integer number (39989376).

Almost surely, 21020226151 is an apocalyptic number.

1020226151 is a deficient number, since it is larger than the sum of its proper divisors (259433881).

1020226151 is a wasteful number, since it uses less digits than its factorization.

1020226151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1020226151 is about 31940.9791803570. The cubic root of 1020226151 is about 1006.6970990732.

Adding to 1020226151 its reverse (1516220201), we get a palindrome (2536446352).

The spelling of 1020226151 in words is "one billion, twenty million, two hundred twenty-six thousand, one hundred fifty-one".

Divisors: 1 7 17 31 119 217 347 527 797 2429 3689 5579 5899 10757 13549 24707 41293 75299 94843 172949 182869 276559 420019 1280083 1935913 2940133 4701503 8573329 32910521 60013303 145746593 1020226151