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2742274227420 = 22325713374579901
BaseRepresentation
bin100111111001111100010…
…001111111110011011100
3100201011021210202111201200
4213321330101333303130
5324412134200234140
65455441113435500
7402060053223030
oct47717421776334
910634253674650
102742274227420
11967aa0346212
1238357a10bb90
1316b797ca3c60
1496a264021c0
154b4ed54c030
hex27e7c47fcdc

2742274227420 has 576 divisors, whose sum is σ = 10538593718016. Its totient is φ = 561663590400.

The previous prime is 2742274227377. The next prime is 2742274227439. The reversal of 2742274227420 is 247224722472.

It is a happy number.

2742274227420 is a `hidden beast` number, since 274 + 2 + 274 + 22 + 74 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 276964470 + ... + 276974370.

Almost surely, 22742274227420 is an apocalyptic number.

2742274227420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2742274227420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5269296859008).

2742274227420 is an abundant number, since it is smaller than the sum of its proper divisors (7796319490596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2742274227420 is a wasteful number, since it uses less digits than its factorization.

2742274227420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430 (or 10425 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 45.

Adding to 2742274227420 its reverse (247224722472), we get a palindrome (2989498949892).

The spelling of 2742274227420 in words is "two trillion, seven hundred forty-two billion, two hundred seventy-four million, two hundred twenty-seven thousand, four hundred twenty".