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142431144123412 = 2239789692156249
BaseRepresentation
bin100000011000101001010101…
…110000000001110000010100
3200200022021200022211011012101
4200120221111300001300110
5122132042440343422122
61222531544142531444
742000211346260564
oct4030512560016024
9620267608734171
10142431144123412
114142378875a2a1
1213b84139b96b84
136162278a074a1
1427259c02d0da4
15116ee6318b027
hex818a55c01c14

142431144123412 has 12 divisors (see below), whose sum is σ = 249882347312500. Its totient is φ = 71036187748416.

The previous prime is 142431144123377. The next prime is 142431144123451. The reversal of 142431144123412 is 214321441134241.

It can be written as a sum of positive squares in 2 ways, for example, as 80537773312656 + 61893370810756 = 8974284^2 + 7867234^2 .

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, 44846076537 + ... + 44846079712.

Almost surely, 2142431144123412 is an apocalyptic number.

It is an amenable number.

142431144123412 is a deficient number, since it is larger than the sum of its proper divisors (107451203189088).

142431144123412 is a wasteful number, since it uses less digits than its factorization.

142431144123412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89692156650 (or 89692156648 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

Adding to 142431144123412 its reverse (214321441134241), we get a palindrome (356752585257653).

The spelling of 142431144123412 in words is "one hundred forty-two trillion, four hundred thirty-one billion, one hundred forty-four million, one hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 4 397 794 1588 89692156249 179384312498 358768624996 35607786030853 71215572061706 142431144123412