Base | Representation |
---|---|
bin | 100010110010111111001… |
… | …110101101011011101110 |
3 | 22110121010112201002200200 |
4 | 202302333032231123232 |
5 | 303134144242332232 |
6 | 5030301243334330 |
7 | 334521262444356 |
oct | 42627716553356 |
9 | 8417115632620 |
10 | 2391210120942 |
11 | 842119857a25 |
12 | 3275235213a6 |
13 | 14464ab11336 |
14 | 83a414d5b66 |
15 | 42302da277c |
hex | 22cbf3ad6ee |
2391210120942 has 48 divisors (see below), whose sum is σ = 5328143664480. Its totient is φ = 774483667776.
The previous prime is 2391210120889. The next prime is 2391210121031. The reversal of 2391210120942 is 2490210121932.
2391210120942 is a `hidden beast` number, since 2 + 391 + 21 + 0 + 1 + 209 + 42 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 2391210120897 and 2391210120906.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921317 + ... + 2910992.
It is an arithmetic number, because the mean of its divisors is an integer number (111002993010).
Almost surely, 22391210120942 is an apocalyptic number.
2391210120942 is an abundant number, since it is smaller than the sum of its proper divisors (2936933543538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2391210120942 is a wasteful number, since it uses less digits than its factorization.
2391210120942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4833097 (or 4833094 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
It can be divided in two parts, 2391210 and 120942, that added together give a palindrome (2512152).
The spelling of 2391210120942 in words is "two trillion, three hundred ninety-one billion, two hundred ten million, one hundred twenty thousand, nine hundred forty-two".
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