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131013021010 = 2573091792489
BaseRepresentation
bin111101000000011111…
…1000000110101010010
3110112011112010001012111
41322000333000311102
54121303313133020
6140104143415534
712315424206244
oct1720077006522
9415145101174
10131013021010
1150620486883
1221483bb45aa
13c47ba20651
1464abc46094
15361bc67d5a
hex1e80fc0d52

131013021010 has 16 divisors (see below), whose sum is σ = 235855834200. Its totient is φ = 52398009216.

The previous prime is 131013020993. The next prime is 131013021019. The reversal of 131013021010 is 10120310131.

It can be written as a sum of positive squares in 4 ways, for example, as 123370240081 + 7642780929 = 351241^2 + 87423^2 .

It is not an unprimeable number, because it can be changed into a prime (131013021019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823155 + ... + 969334.

Almost surely, 2131013021010 is an apocalyptic number.

131013021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131013021010 is a deficient number, since it is larger than the sum of its proper divisors (104842813190).

131013021010 is a wasteful number, since it uses less digits than its factorization.

131013021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799805.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 131013021010 its reverse (10120310131), we get a palindrome (141133331141).

The spelling of 131013021010 in words is "one hundred thirty-one billion, thirteen million, twenty-one thousand, ten".

Divisors: 1 2 5 10 7309 14618 36545 73090 1792489 3584978 8962445 17924890 13101302101 26202604202 65506510505 131013021010