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1021296428294 = 23132175120461
BaseRepresentation
bin11101101110010100000…
…00101100010100000110
310121122010220102002000112
432313022000230110012
5113213103341201134
62101102130513022
7133533451256162
oct16671200542406
93548126362015
101021296428294
1136414723275a
12145b26135772
137540042a7bc
143760699dca2
151b8762191ce
hexedca02c506

1021296428294 has 16 divisors (see below), whose sum is σ = 1581854084736. Its totient is φ = 494021980800.

The previous prime is 1021296428281. The next prime is 1021296428353. The reversal of 1021296428294 is 4928246921201.

It is a super-5 number, since 5×10212964282945 (a number of 61 digits) contains 55555 as substring. Note that it is a super-d number also for d = 4.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360777 + ... + 2759684.

It is an arithmetic number, because the mean of its divisors is an integer number (98865880296).

Almost surely, 21021296428294 is an apocalyptic number.

1021296428294 is a deficient number, since it is larger than the sum of its proper divisors (560557656442).

1021296428294 is a wasteful number, since it uses less digits than its factorization.

1021296428294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123711.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 1021296428294 in words is "one trillion, twenty-one billion, two hundred ninety-six million, four hundred twenty-eight thousand, two hundred ninety-four".

Divisors: 1 2 31 62 3217 6434 99727 199454 5120461 10240922 158734291 317468582 16472523037 32945046074 510648214147 1021296428294