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1025388270287 = 31412222936293
BaseRepresentation
bin11101110101111011110…
…01110101001011001111
310122000201001221011222222
432322331321311023033
5113244443344122122
62103020141125555
7134040035326523
oct16727571651317
93560631834888
101025388270287
11365956a46157
121468885598bb
1375903097694
14378b41bdd83
151ba15581b42
hexeebde752cf

1025388270287 has 16 divisors (see below), whose sum is σ = 1084360193280. Its totient is φ = 968038291200.

The previous prime is 1025388270259. The next prime is 1025388270301. The reversal of 1025388270287 is 7820728835201.

It is a cyclic number.

It is not a de Polignac number, because 1025388270287 - 212 = 1025388266191 is a prime.

It is a super-2 number, since 2×10253882702872 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025388270217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28234913 + ... + 28271205.

It is an arithmetic number, because the mean of its divisors is an integer number (67772512080).

Almost surely, 21025388270287 is an apocalyptic number.

1025388270287 is a deficient number, since it is larger than the sum of its proper divisors (58971922993).

1025388270287 is a wasteful number, since it uses less digits than its factorization.

1025388270287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58594.

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 1025388270287 in words is "one trillion, twenty-five billion, three hundred eighty-eight million, two hundred seventy thousand, two hundred eighty-seven".

Divisors: 1 31 41 1271 22229 36293 689099 911389 1125083 1488013 28253059 46128403 806757097 25009470007 33077040977 1025388270287