Base | Representation |
---|---|
bin | 100100010111111001… |
… | …1010111110000101110 |
3 | 21110121201101121122122 |
4 | 1020233303113300232 |
5 | 2234433010012100 |
6 | 55514530312542 |
7 | 5433450002000 |
oct | 1105763276056 |
9 | 243551347578 |
10 | 78111407150 |
11 | 30143942347 |
12 | 1317b428752 |
13 | 749aa9645a |
14 | 3ad0000370 |
15 | 20727b5985 |
hex | 122fcd7c2e |
78111407150 has 96 divisors (see below), whose sum is σ = 170770022400. Its totient is φ = 26569438560.
The previous prime is 78111407149. The next prime is 78111407161. The reversal of 78111407150 is 5170411187.
It is a super-2 number, since 2×781114071502 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 78111407150.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2160119 + ... + 2195981.
It is an arithmetic number, because the mean of its divisors is an integer number (1778854400).
Almost surely, 278111407150 is an apocalyptic number.
78111407150 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
78111407150 is an abundant number, since it is smaller than the sum of its proper divisors (92658615250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78111407150 is a wasteful number, since it uses less digits than its factorization.
78111407150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36023 (or 36004 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 35.
The spelling of 78111407150 in words is "seventy-eight billion, one hundred eleven million, four hundred seven thousand, one hundred fifty".
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