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1061513131 = 710111631291
BaseRepresentation
bin111111010001010…
…110011110101011
32201222102110021011
4333101112132223
54133221410011
6253155524351
735206466320
oct7721263653
92658373234
101061513131
114a5218588
122575b96b7
1313bbc6aa3
14a0da0b47
15632d2621
hex3f4567ab

1061513131 has 16 divisors (see below), whose sum is σ = 1227172608. Its totient is φ = 899388000.

The previous prime is 1061513107. The next prime is 1061513137. The reversal of 1061513131 is 1313151601.

It is not a de Polignac number, because 1061513131 - 29 = 1061512619 is a prime.

It is a super-2 number, since 2×10615131312 = 2253620254570846322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061513137) 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, 821596 + ... + 822886.

It is an arithmetic number, because the mean of its divisors is an integer number (76698288).

Almost surely, 21061513131 is an apocalyptic number.

1061513131 is a deficient number, since it is larger than the sum of its proper divisors (165659477).

1061513131 is a wasteful number, since it uses less digits than its factorization.

1061513131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1061513131 is about 32580.8706298650. The cubic root of 1061513131 is about 1020.0977514288.

Adding to 1061513131 its reverse (1313151601), we get a palindrome (2374664732).

The spelling of 1061513131 in words is "one billion, sixty-one million, five hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 7 101 707 1163 1291 8141 9037 117463 130391 822241 912737 1501433 10510031 151644733 1061513131