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127616914268 = 22157991201937
BaseRepresentation
bin111011011011010001…
…1111001001101011100
3110012101211201221120022
41312312203321031130
54042324412224033
6134343145211312
712135315605354
oct1666643711534
9405354657508
10127616914268
114a13846a598
1220896790b38
13c05a25b92c
146268badb64
1534bda2e098
hex1db68f935c

127616914268 has 12 divisors (see below), whose sum is σ = 223332119472. Its totient is φ = 63807737280.

The previous prime is 127616914261. The next prime is 127616914291. The reversal of 127616914268 is 862419616721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127616914261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530996 + ... + 732932.

It is an arithmetic number, because the mean of its divisors is an integer number (18611009956).

Almost surely, 2127616914268 is an apocalyptic number.

It is an amenable number.

127616914268 is a deficient number, since it is larger than the sum of its proper divisors (95715205204).

127616914268 is a wasteful number, since it uses less digits than its factorization.

127616914268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359932 (or 359930 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The spelling of 127616914268 in words is "one hundred twenty-seven billion, six hundred sixteen million, nine hundred fourteen thousand, two hundred sixty-eight".

Divisors: 1 2 4 157991 201937 315982 403874 631964 807748 31904228567 63808457134 127616914268