Search a number
-
+
2730750720 = 2835711133
BaseRepresentation
bin1010001011000011…
…1111001100000000
321001022101111202120
42202300333030000
521043033010340
61130545244240
7124445666235
oct24260771400
97038344676
102730750720
11118148a485
12642633680
13346992339
141bc95978c
1510eb0b4d0
hexa2c3f300

2730750720 has 72 divisors (see below), whose sum is σ = 8721347376. Its totient is φ = 728199168.

The previous prime is 2730750703. The next prime is 2730750721. The reversal of 2730750720 is 270570372.

It is not an unprimeable number, because it can be changed into a prime (2730750721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351727 + ... + 359406.

Almost surely, 22730750720 is an apocalyptic number.

2730750720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2730750720 is an abundant number, since it is smaller than the sum of its proper divisors (5990596656).

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

2730750720 is an equidigital number, since it uses as much as digits as its factorization.

2730750720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711157 (or 711143 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 2730750720 is about 52256.5854223178. The cubic root of 2730750720 is about 1397.7430847102.

The spelling of 2730750720 in words is "two billion, seven hundred thirty million, seven hundred fifty thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 711133 1422266 2133399 2844532 3555665 4266798 5689064 7111330 8533596 10666995 11378128 14222660 17067192 21333990 22756256 28445320 34134384 42667980 45512512 56890640 68268768 85335960 91025024 113781280 136537536 170671920 182050048 227562560 273075072 341343840 455125120 546150144 682687680 910250240 1365375360 2730750720