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2742106290 = 2357111769827
BaseRepresentation
bin1010001101110001…
…0011100010110010
321002002202102200020
42203130103202302
521103434400130
61132032504310
7124644342660
oct24334234262
97062672606
102742106290
111187936050
126463ab096
13349139c01
141c0273c30
15110b00e10
hexa37138b2

2742106290 has 128 divisors (see below), whose sum is σ = 8687720448. Its totient is φ = 536263680.

The previous prime is 2742106231. The next prime is 2742106291. The reversal of 2742106290 is 926012472.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2742106291) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4357 + ... + 74183.

It is an arithmetic number, because the mean of its divisors is an integer number (67872816).

Almost surely, 22742106290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2742106290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4343860224).

2742106290 is an abundant number, since it is smaller than the sum of its proper divisors (5945614158).

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

2742106290 is a wasteful number, since it uses less digits than its factorization.

2742106290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69872.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2742106290 is about 52365.1247492069. The cubic root of 2742106290 is about 1399.6778663604.

The spelling of 2742106290 in words is "two billion, seven hundred forty-two million, one hundred six thousand, two hundred ninety".

Divisors: 1 2 3 5 6 7 10 11 14 15 17 21 22 30 33 34 35 42 51 55 66 70 77 85 102 105 110 119 154 165 170 187 210 231 238 255 330 357 374 385 462 510 561 595 714 770 935 1122 1155 1190 1309 1785 1870 2310 2618 2805 3570 3927 5610 6545 7854 13090 19635 39270 69827 139654 209481 349135 418962 488789 698270 768097 977578 1047405 1187059 1466367 1536194 2094810 2304291 2374118 2443945 2932734 3561177 3840485 4608582 4887890 5376679 5935295 7122354 7331835 7680970 8309413 10753358 11521455 11870590 13057649 14663670 16130037 16618826 17805885 23042910 24928239 26115298 26883395 32260074 35611770 39172947 41547065 49856478 53766790 65288245 78345894 80650185 83094130 91403543 124641195 130576490 161300370 182807086 195864735 249282390 274210629 391729470 457017715 548421258 914035430 1371053145 2742106290