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130445532231 = 3723839832357
BaseRepresentation
bin111100101111100101…
…0001101110001000111
3110110200222021121221120
41321133022031301013
54114123024012411
6135531552245023
712265363505100
oct1713712156107
9413628247846
10130445532231
115035a114093
1221345b40773
13c3bb298a81
1464567233a7
1535d701d106
hex1e5f28dc47

130445532231 has 48 divisors (see below), whose sum is σ = 203144454144. Its totient is φ = 74238540096.

The previous prime is 130445532209. The next prime is 130445532293. The reversal of 130445532231 is 132235544031.

It is not a de Polignac number, because 130445532231 - 25 = 130445532199 is a prime.

It is a super-2 number, since 2×1304455322312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130445532192 and 130445532201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130445532331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55342705 + ... + 55345061.

It is an arithmetic number, because the mean of its divisors is an integer number (4232176128).

Almost surely, 2130445532231 is an apocalyptic number.

130445532231 is a deficient number, since it is larger than the sum of its proper divisors (72698921913).

130445532231 is a wasteful number, since it uses less digits than its factorization.

130445532231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740 (or 3733 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 130445532231 in words is "one hundred thirty billion, four hundred forty-five million, five hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3 7 21 49 147 383 983 1149 2357 2681 2949 6881 7071 8043 16499 18767 20643 48167 49497 56301 115493 144501 346479 376489 902731 1129467 2316931 2635423 2708193 6319117 6950793 7906269 16218517 18447961 18957351 44233819 48655551 55343883 113529619 132701457 340588857 887384573 2662153719 6211692011 18635076033 43481844077 130445532231