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127940068 = 2276941593
BaseRepresentation
bin1111010000000…
…11010111100100
322220202000210001
413220003113210
5230223040233
620410111044
73112321054
oct750032744
9286660701
10127940068
11662452a3
1236a1b484
1320676ca9
1412dc5564
15b37327d
hex7a035e4

127940068 has 12 divisors (see below), whose sum is σ = 224191660. Its totient is φ = 63885312.

The previous prime is 127940047. The next prime is 127940077. The reversal of 127940068 is 860049721.

It can be written as a sum of positive squares in 2 ways, for example, as 36699364 + 91240704 = 6058^2 + 9552^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17721 + ... + 23872.

Almost surely, 2127940068 is an apocalyptic number.

It is an amenable number.

127940068 is a deficient number, since it is larger than the sum of its proper divisors (96251592).

127940068 is a wasteful number, since it uses less digits than its factorization.

127940068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42366 (or 42364 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 127940068 is about 11311.0595436502. The cubic root of 127940068 is about 503.8897518575.

Adding to 127940068 its reverse (860049721), we get a palindrome (987989789).

The spelling of 127940068 in words is "one hundred twenty-seven million, nine hundred forty thousand, sixty-eight".

Divisors: 1 2 4 769 1538 3076 41593 83186 166372 31985017 63970034 127940068