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1023127028885 = 513167423122277
BaseRepresentation
bin11101110001101110001…
…11111000010010010101
310121210212111000012221102
432320313013320102111
5113230331004411020
62102003522555445
7133630020153143
oct16706707702225
93553774005842
101023127028885
113649a6598005
12146357208b85
1375632773010
143773bb60593
151b931cb9475
hexee371f8495

1023127028885 has 32 divisors (see below), whose sum is σ = 1330486359552. Its totient is φ = 750804560640.

The previous prime is 1023127028863. The next prime is 1023127028893. The reversal of 1023127028885 is 5888207213201.

It is not a de Polignac number, because 1023127028885 - 220 = 1023125980309 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 45916367 + ... + 45938643.

It is an arithmetic number, because the mean of its divisors is an integer number (41577698736).

Almost surely, 21023127028885 is an apocalyptic number.

It is an amenable number.

1023127028885 is a deficient number, since it is larger than the sum of its proper divisors (307359330667).

1023127028885 is a wasteful number, since it uses less digits than its factorization.

1023127028885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26693.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 1023127028885 in words is "one trillion, twenty-three billion, one hundred twenty-seven million, twenty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 13 65 167 835 2171 4231 10855 21155 22277 55003 111385 275015 289601 706577 1448005 3532885 3720259 9185501 18601295 45927505 48363367 94253987 241816835 471269935 1225301831 6126509155 15740415829 78702079145 204625405777 1023127028885