Base | Representation |
---|---|
bin | 11011011111100001111… |
… | …101101111111111100000 |
3 | 20200121120021211122120220 |
4 | 123133201331233333200 |
5 | 221423222104011104 |
6 | 4003531331403040 |
7 | 253332106341630 |
oct | 33374175577740 |
9 | 6617507748526 |
10 | 1889281703904 |
11 | 6692702a5241 |
12 | 2661a4753480 |
13 | 10920a2c03ba |
14 | 6762812c6c0 |
15 | 34227ceb7d9 |
hex | 1b7e1f6ffe0 |
1889281703904 has 48 divisors (see below), whose sum is σ = 5667845113728. Its totient is φ = 539794772352.
The previous prime is 1889281703893. The next prime is 1889281703957. The reversal of 1889281703904 is 4093071829881.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405714882 + ... + 1405716225.
It is an arithmetic number, because the mean of its divisors is an integer number (118080106536).
Almost surely, 21889281703904 is an apocalyptic number.
1889281703904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
1889281703904 is an abundant number, since it is smaller than the sum of its proper divisors (3778563409824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1889281703904 is a wasteful number, since it uses less digits than its factorization.
1889281703904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2811431127 (or 2811431119 counting only the distinct ones).
The product of its (nonzero) digits is 6967296, while the sum is 60.
The spelling of 1889281703904 in words is "one trillion, eight hundred eighty-nine billion, two hundred eighty-one million, seven hundred three thousand, nine hundred four".
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