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1026138281180 = 22551306914059
BaseRepresentation
bin11101110111010101001…
…10111001010011011100
310122002122100012200112012
432323222212321103130
5113303012344444210
62103222412330352
7134064443322305
oct16735246712334
93562570180465
101026138281180
11366201343471
12146a577739b8
13759c25970cc
1437945a557ac
151ba5b332305
hexeeea9b94dc

1026138281180 has 12 divisors (see below), whose sum is σ = 2154890390520. Its totient is φ = 410455312464.

The previous prime is 1026138281173. The next prime is 1026138281209. The reversal of 1026138281180 is 811828316201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25653457010 + ... + 25653457049.

It is an arithmetic number, because the mean of its divisors is an integer number (179574199210).

Almost surely, 21026138281180 is an apocalyptic number.

1026138281180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026138281180 is an abundant number, since it is smaller than the sum of its proper divisors (1128752109340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1026138281180 is a wasteful number, since it uses less digits than its factorization.

1026138281180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51306914068 (or 51306914066 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 41.

The spelling of 1026138281180 in words is "one trillion, twenty-six billion, one hundred thirty-eight million, two hundred eighty-one thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 51306914059 102613828118 205227656236 256534570295 513069140590 1026138281180