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127449957916 = 22171874264087
BaseRepresentation
bin111011010110010011…
…1000000011000011100
3110011222012120200111201
41312230213000120130
54042004142123131
6134314422525244
712131220524221
oct1665447003034
9404865520451
10127449957916
114a0621a6836
122084a896824
13c0317a3aa8
14625094d948
1534ae050761
hex1dac9c061c

127449957916 has 12 divisors (see below), whose sum is σ = 236157275088. Its totient is φ = 59976450752.

The previous prime is 127449957851. The next prime is 127449957917. The reversal of 127449957916 is 619759944721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127449957917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937131976 + ... + 937132111.

It is an arithmetic number, because the mean of its divisors is an integer number (19679772924).

Almost surely, 2127449957916 is an apocalyptic number.

It is an amenable number.

127449957916 is a deficient number, since it is larger than the sum of its proper divisors (108707317172).

127449957916 is a wasteful number, since it uses less digits than its factorization.

127449957916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874264108 (or 1874264106 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 64.

The spelling of 127449957916 in words is "one hundred twenty-seven billion, four hundred forty-nine million, nine hundred fifty-seven thousand, nine hundred sixteen".

Divisors: 1 2 4 17 34 68 1874264087 3748528174 7497056348 31862489479 63724978958 127449957916