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131064948244 = 22202691616569
BaseRepresentation
bin111101000010000010…
…1000110011000010100
3110112022010211012222101
41322010011012120110
54121410111320434
6140113240411444
712316624451506
oct1720405063024
9415263735871
10131064948244
115064782354a
1221499476b84
13c489702019
1464b4ac1d76
1536215c3b14
hex1e84146614

131064948244 has 12 divisors (see below), whose sum is σ = 229375117300. Its totient is φ = 65529200448.

The previous prime is 131064948239. The next prime is 131064948251. The reversal of 131064948244 is 442849460131.

It can be written as a sum of positive squares in 2 ways, for example, as 75751552900 + 55313395344 = 275230^2 + 235188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131064948194 and 131064948203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727209 + ... + 889360.

Almost surely, 2131064948244 is an apocalyptic number.

It is an amenable number.

131064948244 is a deficient number, since it is larger than the sum of its proper divisors (98310169056).

131064948244 is a wasteful number, since it uses less digits than its factorization.

131064948244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636842 (or 1636840 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 131064948244 in words is "one hundred thirty-one billion, sixty-four million, nine hundred forty-eight thousand, two hundred forty-four".

Divisors: 1 2 4 20269 40538 81076 1616569 3233138 6466276 32766237061 65532474122 131064948244