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130143544 = 2316267943
BaseRepresentation
bin1111100000111…
…01010100111000
3100001212222101021
413300131110320
5231304043134
620525232224
73140126146
oct760352470
9301788337
10130143544
116750a853
1237702674
1320c68c1b
14133da596
15b65b0b4
hex7c1d538

130143544 has 8 divisors (see below), whose sum is σ = 244019160. Its totient is φ = 65071768.

The previous prime is 130143523. The next prime is 130143571. The reversal of 130143544 is 445341031.

130143544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8133964 + ... + 8133979.

It is an arithmetic number, because the mean of its divisors is an integer number (30502395).

Almost surely, 2130143544 is an apocalyptic number.

It is an amenable number.

130143544 is a deficient number, since it is larger than the sum of its proper divisors (113875616).

130143544 is a wasteful number, since it uses less digits than its factorization.

130143544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16267949 (or 16267945 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 130143544 is about 11408.0473351052. The cubic root of 130143544 is about 506.7660858306.

Adding to 130143544 its reverse (445341031), we get a palindrome (575484575).

The spelling of 130143544 in words is "one hundred thirty million, one hundred forty-three thousand, five hundred forty-four".

Divisors: 1 2 4 8 16267943 32535886 65071772 130143544