Base | Representation |
---|---|
bin | 10001110001001010111101… |
… | …000000101111101100110110 |
3 | 101020200122222120212002202010 |
4 | 101301022331000233230312 |
5 | 40220320102323311010 |
6 | 434111404313425050 |
7 | 22313563631564112 |
oct | 2161127500575466 |
9 | 336618876762663 |
10 | 78145806072630 |
11 | 229994a52a882a |
12 | 892122040b186 |
13 | 347b16c01968a |
14 | 15423c48a0742 |
15 | 907b4225a620 |
hex | 4712bd02fb36 |
78145806072630 has 32 divisors (see below), whose sum is σ = 188531871418368. Its totient is φ = 20729777525600.
The previous prime is 78145806072569. The next prime is 78145806072641. The reversal of 78145806072630 is 3627060854187.
It is a super-2 number, since 2×781458060726302 (a number of 29 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 15 ways as a sum of consecutive naturals, for example, 6819000036 + ... + 6819011495.
It is an arithmetic number, because the mean of its divisors is an integer number (5891620981824).
Almost surely, 278145806072630 is an apocalyptic number.
78145806072630 is an abundant number, since it is smaller than the sum of its proper divisors (110386065345738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78145806072630 is a wasteful number, since it uses less digits than its factorization.
78145806072630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13638011732.
The product of its (nonzero) digits is 13547520, while the sum is 57.
The spelling of 78145806072630 in words is "seventy-eight trillion, one hundred forty-five billion, eight hundred six million, seventy-two thousand, six hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •