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127446144016 = 2431228792
BaseRepresentation
bin111011010110001100…
…0011101010000010000
3110011221221101220211011
41312230120131100100
54042002203102031
6134314205100304
712131143231042
oct1665430352020
9404857356734
10127446144016
114a060031354
1220849557694
13c030a69b49
146250239a92
1534ada4a6b1
hex1dac61d410

127446144016 has 45 divisors (see below), whose sum is σ = 255237890943. Its totient is φ = 61646069280.

The previous prime is 127446143999. The next prime is 127446144019. The reversal of 127446144016 is 610441644721.

It is a happy number.

The square root of 127446144016 is 356996.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 127446144016.

It is not an unprimeable number, because it can be changed into a prime (127446144019) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44266065 + ... + 44268943.

Almost surely, 2127446144016 is an apocalyptic number.

127446144016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

127446144016 is the 356996-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127446144016

127446144016 is an abundant number, since it is smaller than the sum of its proper divisors (127791746927).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127446144016 is an frugal number, since it uses more digits than its factorization.

127446144016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828 (or 2912 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

Adding to 127446144016 its reverse (610441644721), we get a palindrome (737887788737).

The spelling of 127446144016 in words is "one hundred twenty-seven billion, four hundred forty-six million, one hundred forty-four thousand, sixteen".

Divisors: 1 2 4 8 16 31 62 124 248 496 961 1922 2879 3844 5758 7688 11516 15376 23032 46064 89249 178498 356996 713992 1427984 2766719 5533438 8288641 11066876 16577282 22133752 33154564 44267504 66309128 132618256 256947871 513895742 1027791484 2055582968 4111165936 7965384001 15930768002 31861536004 63723072008 127446144016