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1255066131 = 31159963493
BaseRepresentation
bin100101011001110…
…1100101000010011
310020110121222001210
41022303230220103
510032244104011
6324312231203
743046612634
oct11263545023
93213558053
101255066131
115944a7840
122b039b503
131700347a7
14bc98588b
15752b66a6
hex4aceca13

1255066131 has 16 divisors (see below), whose sum is σ = 1828627200. Its totient is φ = 759364320.

The previous prime is 1255066121. The next prime is 1255066133. The reversal of 1255066131 is 1316605521.

It is not a de Polignac number, because 1255066131 - 29 = 1255065619 is a prime.

It is a super-2 number, since 2×12550661312 = 3150381986366618322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255066133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11980 + ... + 51513.

It is an arithmetic number, because the mean of its divisors is an integer number (114289200).

Almost surely, 21255066131 is an apocalyptic number.

1255066131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1255066131 is a deficient number, since it is larger than the sum of its proper divisors (573561069).

1255066131 is a wasteful number, since it uses less digits than its factorization.

1255066131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64106.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1255066131 is about 35426.9125242378. The cubic root of 1255066131 is about 1078.6706698344.

The spelling of 1255066131 in words is "one billion, two hundred fifty-five million, sixty-six thousand, one hundred thirty-one".

Divisors: 1 3 11 33 599 1797 6589 19767 63493 190479 698423 2095269 38032307 114096921 418355377 1255066131