Base | Representation |
---|---|
bin | 10001110010110000101100… |
… | …101000101101011111111110 |
3 | 101021002002222012020011110011 |
4 | 101302300230220231133332 |
5 | 40224112322032042000 |
6 | 434233513002333434 |
7 | 22324512110301421 |
oct | 2162605450553776 |
9 | 337062865204404 |
10 | 78255053002750 |
11 | 22a30866351338 |
12 | 893a42aaba27a |
13 | 348855c4b56b0 |
14 | 15477c9a539b8 |
15 | 90a8d819b2ba |
hex | 472c2ca2d7fe |
78255053002750 has 32 divisors (see below), whose sum is σ = 157762186860096. Its totient is φ = 28894173415200.
The previous prime is 78255053002727. The next prime is 78255053002813. The reversal of 78255053002750 is 5720035055287.
It is a super-2 number, since 2×782550530027502 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 78255053002694 and 78255053002703.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12039235674 + ... + 12039242173.
It is an arithmetic number, because the mean of its divisors is an integer number (4930068339378).
Almost surely, 278255053002750 is an apocalyptic number.
78255053002750 is an abundant number, since it is smaller than the sum of its proper divisors (79507133857346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78255053002750 is a wasteful number, since it uses less digits than its factorization.
78255053002750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24078477877 (or 24078477867 counting only the distinct ones).
The product of its (nonzero) digits is 2940000, while the sum is 49.
The spelling of 78255053002750 in words is "seventy-eight trillion, two hundred fifty-five billion, fifty-three million, two thousand, seven hundred fifty".
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