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1689078045004 = 22760324215893
BaseRepresentation
bin11000100101000100111…
…001011001100101001100
312222110210202100000121021
4120211010321121211030
5210133212434420004
63331541324243524
7233013633331120
oct30450471314514
95873722300537
101689078045004
115a13745820a9
122334309a05a4
13c3382a356cc
145ba74d95580
152de0ba48d54
hex18944e5994c

1689078045004 has 12 divisors (see below), whose sum is σ = 3378156090064. Its totient is φ = 723890590704.

The previous prime is 1689078044999. The next prime is 1689078045077. The reversal of 1689078045004 is 4005408709861.

1689078045004 is an admirable number.

It is a super-2 number, since 2×16890780450042 (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 30162107919 + ... + 30162107974.

Almost surely, 21689078045004 is an apocalyptic number.

1689078045004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1689078045004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1689078045004 is a wasteful number, since it uses less digits than its factorization.

1689078045004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60324215904 (or 60324215902 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 1689078045004 in words is "one trillion, six hundred eighty-nine billion, seventy-eight million, forty-five thousand, four".

Divisors: 1 2 4 7 14 28 60324215893 120648431786 241296863572 422269511251 844539022502 1689078045004