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124131412 = 2231032853
BaseRepresentation
bin1110110011000…
…01100001010100
322122120112021201
413121201201110
5223234201122
620152322244
73035046106
oct731414124
9278515251
10124131412
1164083849
12356a3384
131c942552
14126b3576
15ad6ea27
hex7661854

124131412 has 6 divisors (see below), whose sum is σ = 217229978. Its totient is φ = 62065704.

The previous prime is 124131407. The next prime is 124131419. The reversal of 124131412 is 214131421.

It can be written as a sum of positive squares in only one way, i.e., 108243216 + 15888196 = 10404^2 + 3986^2 .

It is a super-2 number, since 2×1241314122 = 30817214890227488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124131412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124131419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516423 + ... + 15516430.

Almost surely, 2124131412 is an apocalyptic number.

It is an amenable number.

124131412 is a deficient number, since it is larger than the sum of its proper divisors (93098566).

124131412 is a wasteful number, since it uses less digits than its factorization.

124131412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31032857 (or 31032855 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 124131412 is about 11141.4277361566. The cubic root of 124131412 is about 498.8391897915.

Adding to 124131412 its reverse (214131421), we get a palindrome (338262833).

Subtracting 124131412 from its reverse (214131421), we obtain a palindrome (90000009).

The spelling of 124131412 in words is "one hundred twenty-four million, one hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 31032853 62065706 124131412