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127256283110545 = 51740928571281229
BaseRepresentation
bin11100111011110100101001…
…100011001101110010010001
3121200120120201011121221202221
4130323310221203031302101
5113134431331434014140
61130352421314541041
735542651220016601
oct3473645143156221
9550516634557687
10127256283110545
11376030a5284746
1212333153897781
1356012a6746374
14235d346340c01
15eaa36457b14a
hex73bd298cdc91

127256283110545 has 32 divisors (see below), whose sum is σ = 162142526455200. Its totient is φ = 95548695330816.

The previous prime is 127256283110497. The next prime is 127256283110591. The reversal of 127256283110545 is 545011382652721.

It can be written as a sum of positive squares in 16 ways, for example, as 3386862357649 + 123869420752896 = 1840343^2 + 11129664^2 .

It is not a de Polignac number, because 127256283110545 - 217 = 127256282979473 is a prime.

It is a super-2 number, since 2×1272562831105452 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127256283110492 and 127256283110501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98682991 + ... + 99964219.

It is an arithmetic number, because the mean of its divisors is an integer number (5066953951725).

Almost surely, 2127256283110545 is an apocalyptic number.

It is an amenable number.

127256283110545 is a deficient number, since it is larger than the sum of its proper divisors (34886243344655).

127256283110545 is a wasteful number, since it uses less digits than its factorization.

127256283110545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284517.

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 127256283110545 in words is "one hundred twenty-seven trillion, two hundred fifty-six billion, two hundred eighty-three million, one hundred ten thousand, five hundred forty-five".

Divisors: 1 5 17 85 409 2045 2857 6953 14285 34765 48569 242845 1168513 1281229 5842565 6406145 19864721 21780893 99323605 108904465 524022661 2620113305 3660471253 8908385237 18302356265 44541926185 62228011301 311140056505 1497132742477 7485663712385 25451256622109 127256283110545