Base | Representation |
---|---|
bin | 110001001001110010… |
… | …1001001110010000110 |
3 | 101002110022202000020110 |
4 | 1202103211021302012 |
5 | 3212134113032004 |
6 | 120254050213450 |
7 | 10424520304122 |
oct | 1422345116206 |
9 | 332408660213 |
10 | 105555205254 |
11 | 40847186024 |
12 | 1855a284286 |
13 | 9c526b1b45 |
14 | 5174b68582 |
15 | 2b2bcb1589 |
hex | 1893949c86 |
105555205254 has 32 divisors (see below), whose sum is σ = 213212563200. Its totient is φ = 34834878432.
The previous prime is 105555205247. The next prime is 105555205277. The reversal of 105555205254 is 452502555501.
It is a super-2 number, since 2×1055552052542 (a number of 23 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, 2792509 + ... + 2830055.
It is an arithmetic number, because the mean of its divisors is an integer number (6662892600).
Almost surely, 2105555205254 is an apocalyptic number.
105555205254 is an abundant number, since it is smaller than the sum of its proper divisors (107657357946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105555205254 is a wasteful number, since it uses less digits than its factorization.
105555205254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42204.
The product of its (nonzero) digits is 250000, while the sum is 39.
The spelling of 105555205254 in words is "one hundred five billion, five hundred fifty-five million, two hundred five thousand, two hundred fifty-four".
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