Search a number
-
+
2742275309880 = 233552143862369
BaseRepresentation
bin100111111001111100010…
…110001000000100111000
3100201011021212210111120210
4213321330112020010320
5324412134434404010
65455441152551120
7402060065351631
oct47717426100470
910634255714523
102742275309880
11967aa0a15507
1238357a5524a0
1316b798292872
1496a26604888
154b4ed6b2b20
hex27e7c588138

2742275309880 has 64 divisors (see below), whose sum is σ = 8242616570400. Its totient is φ = 729869803520.

The previous prime is 2742275309857. The next prime is 2742275309881. The reversal of 2742275309880 is 889035722472.

It is a super-2 number, since 2×27422753098802 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2742275309880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742275309881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21868665 + ... + 21993704.

Almost surely, 22742275309880 is an apocalyptic number.

2742275309880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2742275309880 is an abundant number, since it is smaller than the sum of its proper divisors (5500341260520).

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

2742275309880 is a wasteful number, since it uses less digits than its factorization.

2742275309880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43862904 (or 43862900 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 2742275309880 in words is "two trillion, seven hundred forty-two billion, two hundred seventy-five million, three hundred nine thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 521 1042 1563 2084 2605 3126 4168 5210 6252 7815 10420 12504 15630 20840 31260 62520 43862369 87724738 131587107 175449476 219311845 263174214 350898952 438623690 526348428 657935535 877247380 1052696856 1315871070 1754494760 2631742140 5263484280 22852294249 45704588498 68556882747 91409176996 114261471245 137113765494 182818353992 228522942490 274227530988 342784413735 457045884980 548455061976 685568827470 914091769960 1371137654940 2742275309880