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2771240554140 = 223550990741341
BaseRepresentation
bin101000010100111010110…
…011110000111010011100
3100210221001112000100221020
4220110322303300322130
5330401000040213030
65521031302404140
7404133632023122
oct50247263607234
910727045010836
102771240554140
11979305057203
12389102a30650
1317143316bc56
14981b3455912
154c146542510
hex2853acf0e9c

2771240554140 has 48 divisors (see below), whose sum is σ = 7774718182560. Its totient is φ = 737545611520.

The previous prime is 2771240554127. The next prime is 2771240554141. The reversal of 2771240554140 is 414550421772.

2771240554140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×27712405541402 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2771240554092 and 2771240554101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771240554141) 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, 45340131 + ... + 45401210.

It is an arithmetic number, because the mean of its divisors is an integer number (161973295470).

Almost surely, 22771240554140 is an apocalyptic number.

2771240554140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2771240554140 is an abundant number, since it is smaller than the sum of its proper divisors (5003477628420).

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

2771240554140 is a wasteful number, since it uses less digits than its factorization.

2771240554140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90741862 (or 90741860 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 42.

The spelling of 2771240554140 in words is "two trillion, seven hundred seventy-one billion, two hundred forty million, five hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 509 1018 1527 2036 2545 3054 5090 6108 7635 10180 15270 30540 90741341 181482682 272224023 362965364 453706705 544448046 907413410 1088896092 1361120115 1814826820 2722240230 5444480460 46187342569 92374685138 138562027707 184749370276 230936712845 277124055414 461873425690 554248110828 692810138535 923746851380 1385620277070 2771240554140