Base | Representation |
---|---|
bin | 11110111000100011101… |
… | …010001111011110111110 |
3 | 21111220001120200100012000 |
4 | 132320203222033132332 |
5 | 234232443400322004 |
6 | 4302550550123130 |
7 | 306221605241604 |
oct | 36704352173676 |
9 | 7456046610160 |
10 | 2122312120254 |
11 | 749081955097 |
12 | 2a339a0504a6 |
13 | 125196778521 |
14 | 74a12cdb874 |
15 | 3a315e4ac39 |
hex | 1ee23a8f7be |
2122312120254 has 32 divisors (see below), whose sum is σ = 4747482612480. Its totient is φ = 702752355000.
The previous prime is 2122312120237. The next prime is 2122312120267. The reversal of 2122312120254 is 4520212132212.
2122312120254 is a `hidden beast` number, since 212 + 231 + 212 + 0 + 2 + 5 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 130131172 + ... + 130147479.
It is an arithmetic number, because the mean of its divisors is an integer number (148358831640).
Almost surely, 22122312120254 is an apocalyptic number.
2122312120254 is an abundant number, since it is smaller than the sum of its proper divisors (2625170492226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122312120254 is a wasteful number, since it uses less digits than its factorization.
2122312120254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260278813 (or 260278807 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
Adding to 2122312120254 its reverse (4520212132212), we get a palindrome (6642524252466).
The spelling of 2122312120254 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty thousand, two hundred fifty-four".
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