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1000506616640 = 26523292161639
BaseRepresentation
bin11101000111100101101…
…01110110101101000000
310112122111000201012212022
432203302311312231000
5112343014143213030
62043343145021012
7132166325631326
oct16436265665500
93478430635768
101000506616640
113563489a1533
12141aa3784768
13734692294bb
14365d3841d16
151b05ae89de5
hexe8f2d76b40

1000506616640 has 168 divisors, whose sum is σ = 2574738990720. Its totient is φ = 369600157696.

The previous prime is 1000506616631. The next prime is 1000506616657. The reversal of 1000506616640 is 466166050001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000506616640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6108941 + ... + 6270579.

Almost surely, 21000506616640 is an apocalyptic number.

1000506616640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000506616640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287369495360).

1000506616640 is an abundant number, since it is smaller than the sum of its proper divisors (1574232374080).

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

1000506616640 is a wasteful number, since it uses less digits than its factorization.

1000506616640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161737 (or 161698 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 1000506616640 in words is "one trillion, five hundred six million, six hundred sixteen thousand, six hundred forty".