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127813475545 = 5715972286671
BaseRepresentation
bin111011100001001000…
…1101101110011011001
3110012220112121021221121
41313002101231303121
54043230222204140
6134414450205241
712143223421330
oct1670221556331
9405815537847
10127813475545
114a229413a28
1220930583821
13c08bbb0992
146286d38d17
1534d0e0964a
hex1dc246dcd9

127813475545 has 16 divisors (see below), whose sum is σ = 175396889088. Its totient is φ = 87588607680.

The previous prime is 127813475527. The next prime is 127813475561. The reversal of 127813475545 is 545574318721.

It is not a de Polignac number, because 127813475545 - 211 = 127813473497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127813475492 and 127813475501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087441 + ... + 1199230.

It is an arithmetic number, because the mean of its divisors is an integer number (10962305568).

Almost surely, 2127813475545 is an apocalyptic number.

It is an amenable number.

127813475545 is a deficient number, since it is larger than the sum of its proper divisors (47583413543).

127813475545 is a wasteful number, since it uses less digits than its factorization.

127813475545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288280.

The product of its digits is 4704000, while the sum is 52.

The spelling of 127813475545 in words is "one hundred twenty-seven billion, eight hundred thirteen million, four hundred seventy-five thousand, five hundred forty-five".

Divisors: 1 5 7 35 1597 7985 11179 55895 2286671 11433355 16006697 80033485 3651813587 18259067935 25562695109 127813475545