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19044760430290 = 2572121731936613
BaseRepresentation
bin1000101010010001101000…
…01011100010011011010010
32111102122212002200112101011
410111020310023202123102
54444012132132232130
6104301013035001134
74003636626450100
oct425106413423322
974378762615334
1019044760430290
1160829238489a1
1221770038991aa
13a81bb43c930a
1449bab2720c70
152305e7ed952a
hex1152342e26d2

19044760430290 has 48 divisors (see below), whose sum is σ = 39910164544152. Its totient is φ = 6524266592256.

The previous prime is 19044760430273. The next prime is 19044760430369. The reversal of 19044760430290 is 9203406744091.

It can be written as a sum of positive squares in 4 ways, for example, as 10158989658489 + 8885770771801 = 3187317^2 + 2980901^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15371977 + ... + 16564636.

Almost surely, 219044760430290 is an apocalyptic number.

19044760430290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19044760430290 is an abundant number, since it is smaller than the sum of its proper divisors (20865404113862).

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

19044760430290 is a wasteful number, since it uses less digits than its factorization.

19044760430290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31937851 (or 31937844 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 19044760430290 in words is "nineteen trillion, forty-four billion, seven hundred sixty million, four hundred thirty thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 1217 2434 6085 8519 12170 17038 42595 59633 85190 119266 298165 596330 31936613 63873226 159683065 223556291 319366130 447112582 1117781455 1564894037 2235562910 3129788074 7824470185 15648940370 38866858021 77733716042 194334290105 272068006147 388668580210 544136012294 1360340030735 1904476043029 2720680061470 3808952086058 9522380215145 19044760430290