Base | Representation |
---|---|
bin | 1101110000111100… |
… | …10110010101111000 |
3 | 201002000110101101102 |
4 | 12320132112111320 |
5 | 110113310241442 |
6 | 3221143510532 |
7 | 351062242652 |
oct | 67036262570 |
9 | 21060411342 |
10 | 7389930872 |
11 | 3152472495 |
12 | 1522a58448 |
13 | 90a03037c |
14 | 50165d6d2 |
15 | 2d3b8e232 |
hex | 1b8796578 |
7389930872 has 16 divisors (see below), whose sum is σ = 14671186560. Its totient is φ = 3477614464.
The previous prime is 7389930853. The next prime is 7389930883. The reversal of 7389930872 is 2780399837.
It is a super-2 number, since 2×73899308722 (a number of 21 digits) contains 22 as substring.
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, 27168728 + ... + 27168999.
It is an arithmetic number, because the mean of its divisors is an integer number (916949160).
Almost surely, 27389930872 is an apocalyptic number.
It is an amenable number.
7389930872 is a deficient number, since it is larger than the sum of its proper divisors (7281255688).
7389930872 is a wasteful number, since it uses less digits than its factorization.
7389930872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54337750 (or 54337746 counting only the distinct ones).
The product of its (nonzero) digits is 4572288, while the sum is 56.
The square root of 7389930872 is about 85964.7071303102. The cubic root of 7389930872 is about 1947.8109005809.
The spelling of 7389930872 in words is "seven billion, three hundred eighty-nine million, nine hundred thirty thousand, eight hundred seventy-two".
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