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2254120240405 = 511471429610217
BaseRepresentation
bin100000110011010100000…
…010010100010100010101
321222111021111220121100211
4200303110002110110111
5243412414240143110
64443310055405421
7321566125623355
oct40632402242425
97874244817324
102254120240405
11799a701246a0
12304a44383871
13134741124127
147b158594b65
153d97c8bd98a
hex20cd4094515

2254120240405 has 32 divisors (see below), whose sum is σ = 3015746173440. Its totient is φ = 1603354744320.

The previous prime is 2254120240397. The next prime is 2254120240423. The reversal of 2254120240405 is 5040420214522.

It is not a de Polignac number, because 2254120240405 - 23 = 2254120240397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3388857 + ... + 3999073.

It is an arithmetic number, because the mean of its divisors is an integer number (94242067920).

Almost surely, 22254120240405 is an apocalyptic number.

It is an amenable number.

2254120240405 is a deficient number, since it is larger than the sum of its proper divisors (761625933035).

2254120240405 is a wasteful number, since it uses less digits than its factorization.

2254120240405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611709.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 2254120240405 its reverse (5040420214522), we get a palindrome (7294540454927).

The spelling of 2254120240405 in words is "two trillion, two hundred fifty-four billion, one hundred twenty million, two hundred forty thousand, four hundred five".

Divisors: 1 5 11 47 55 235 517 1429 2585 7145 15719 67163 78595 335815 610217 738793 3051085 3693965 6712387 28680199 33561935 143400995 315482189 872000093 1577410945 4360000465 9592001023 40984004371 47960005115 204920021855 450824048081 2254120240405